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Stanley 51-621 16-Ounce Curve Claw Fiberglass Hammer

4.7 out of 5 stars 534 customer reviews

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16-Ounce Curve Claw
    This fits your .
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  • Fiberglass handle absorbs shock and vibration
  • Textured rubber ensures a comfortable, secure grip
  • Fiberglass handle minimizes vibrations and reduces breakage vs. wood
  • Heat treated and rim tempered for durability and safety
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Size: 16-Ounce Curve Claw
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Product Description

Size: 16-Ounce Curve Claw

Product Description

The Stanley 51-621 16-Ounce Curve Claw Fiberglass Hammer features a fiberglass core that adds strength and durability in the handle, reduces vibrations and provides the feel of wood. It has a yellow-colored shaft for easy product visibility and offers maximum shock absorption. The exclusive rim temper reduces incidences of chipping or spalling. Head Weight: 16 oz. -Handle Type: Cushion Grip. -Overall Length: 13 in. -Head Material: High Carbon Steel. -Handle Material: Fiberglass. Dimensions (L x W x H): 12.8 x 5.2 x 1.4 Made in China

From the Manufacturer

High visibility yellow makes the hammer easy to locate on the jobsite

Product Information

Size:16-Ounce Curve Claw

Technical Details

Part Number 51-621
Item Weight 1.6 pounds
Product Dimensions 5.2 x 1.7 x 12.8 inches
California residents Click here for Proposition 65 warning
Item model number 51-621
Size 16-Ounce Curve Claw
Color Yellow
Item Package Quantity 1
Warranty Description No

Additional Information

ASIN B000VSMJCS
Customer Reviews
4.7 out of 5 stars 534 customer reviews

4.7 out of 5 stars
Best Sellers Rank #113,042 in Home Improvements (See top 100)
#108 in Home Improvement > Power & Hand Tools > Hand Tools > Hammers > Claw Hammers
#6,627 in Home Improvement > Contractor Supply
Shipping Weight 1.6 pounds
Date First Available July 2, 2004

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Size: 16-Ounce Curve Claw
In a way I feel weird reviewing a hammer, afterall it is a hammer! However, I thought I would put my 2 cents in, in case someone was looking to buy this.

I like the hammer, I have two claw hammers. This one and a wood hammer. This one seems a little top heavy to me. This may be do to a lighter fiberglass shaft, but I can easily compensate for it. The grip is comfortable and makes hammering without any workgloves effortless.

I have had this hammer about 5 years and I must say I am not disappointed in it at all. Would buy it again.
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Size: 16-Ounce Curve Claw Verified Purchase
It's light weight; I crawled around on my back in a 2-3' high, 1300sq/f crawl space installing 6 lights (receptacles and all). Took about 2 hours and hammering those receptacles in with my arm crooked and barely enough room to get a decent swing was no problem. I actually had a harder time screwing the outlets and fixtures into the receptacles than banging the nails in. The floor joists were the old white oak too, dense and solid.

It's got good balance; light weight handle with a solid, heavy head make it real easy to get a good swing. The shaft is fiberglass but it has a rubber grip so even with sweaty hands it's not going anywhere. And I personally feel that fiberglass is a lot easier on the hands but a couple of old timers I work with still like wood better.

Seems pretty durable; We've been doing a lot of demo work with it for 2 weeks now and it's done everything from pounding nails to pounding pry-bars and chisels as well as knocking out old cripple studs. I've also been yanking old 3 inch nails out of concrete and brick.

It sounds silly but the color is actually kind of a plus as well, makes it a lot easier to spot when you leave it laying somewhere on the job site. We had a couple of dark red hammers as well and whenever one of us would need a hammer that's usually the first one we grabbed just because you couldn't miss it sitting there.

I think like I've given it a good run and a serious amount of abuse. I'm pretty happy with it.
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Size: 20-Ounce Rip Claw
This hammer is a decent hammer there is nothing wrong with it. Have worked in construction for my whole life. If you want a durable hammer, that has no frills this will pretty much do the job.

I would choose a stanley fat max,Vaughn, or Estwing, but this is a very good homeowner hammer. Its handle is a little short so the leverage is not that high. However, that is personal preference.
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Size: 20-Ounce Rip Claw
I love this hammer. When I am framing and need the weight behind it, this hammer does a great job. At 20oz. I can get enough power behind each swing to really drive the nails. As with most other Stanley hammers, they are built to last. Unless something catastrophic happens to the hammer, you'll be owning this one for many years.

While this is a great hammer, it might be too big for the average homeowner looking for a hammer for household jobs. Also, the flatter rip claw is made more for prying boards apart. Most homeowners will want the claw for pulling nails, and permanently marring up their walls; I would suggest the Stanley 16oz curve claw hammer.
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Size: 16-Ounce Curve Claw
Perhaps because it's fiberglass it has more "resonance" to its swing and subesquent impact. It fits the hand and is a pleasure to use.
And, it's a Stanley product.
Good tool! Good job Stanley!
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Size: 20-Ounce Rip Claw Verified Purchase
I ordered this hammer just two days ago, and just now received it. Amazon Prime, you know.

I had a favorite old hammer for many, many years. One day, I finally managed to break it.

Here at Amazon I found what looked like a good replacement, this Stanley 20-Oz. rip claw hammer.
My main concert was that it might not be a "full-sized" hammer. I have one of those small hammers
ideal for light jobs like driving brad nails into the wall, for hanging pictures. But, there are times when you need
a hammer for the bigger jobs. Amazon lists this as almost 13 inches long, which seemed to me to be too small.
I measured the hammer and it's 13 1/8 inches long. Sure enough, it's a full-sized hammer, and quite hefty.

Maybe too hefty. The hammer feels a bit top-heavy and when swinging it about, I feel like the hammer is swinging me.
You know, wag the dog. If your an old-time carpenter who thinks nothing of driving an 8-penny nail into a beam with
one or two good hits, this is your hammer. On the other hand, I suspect that about 90% of all users would prefer a slightly
lighter hammer. Knowing what I know now, I believe the ideal general purpose hammer is the 16-Oz version. Go with the 16-Oz
model with the curved claw and you will have the hammer that you remember from Dad's tool belt.

You may wonder if this hammer is suited to pulling nails? Yes, it is. The claw has a V-shaped gap which is about 1 3/8" long.
The wide end is about 3/8" and it tapers to a narrow point of about 1/16".

I like the finish on this hammer. Like brushed stainless steel. A finely ground look, like a stainless steel kitchen sink. I like this hammer
and will certainly keep it, but I do think the 16-Oz would have been a better choice. So, I will summarize this way:
(1) This is a full-sized hammer.
(2) For most of you, the 16-Oz. is the better choice.

I hope this was helpful.
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Size: 7-Ounce
This is a really nice little hammer. I'm not a huge fan of Stanley tools, but I like this one.

Of course, it's less than half the punch of a regular 16-oz hammer. But that's a plus for so many tasks. Also good for camping (tent stakes) when lighter/smaller is a plus.

Very nice rubber grip.

Actual dimensions are: 11.1" x 3.9" x 1.2"

Shop around. Mine is from Wal-Mart at under 6 buckss.
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