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HK1 Hydrokinetic Adjustable Wrench


Currently unavailable.
We don't know when or if this item will be back in stock.
  • 7.5 inches, Nickel plated cold forged steel
  • Unique Hydrokinetic adjustment system
  • Easily adjusts to cover 23 sizes, metric and standard
  • Slim and ergonomic design allow to fit into hard to reach areas
  • Strong grip to remove damaged bolts and nuts
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Product Information

Technical Details
Part Number hk1
Item Weight9.6 ounces
Product Dimensions7.5 x 0.7 x 1.5 inches
Item model numberhk1
Item Package Quantity1
  
Additional Information
ASINB001LQH1NQ
Best Sellers Rank #145,954 in Home Improvement (See top 100)
Shipping Weight11.2 ounces
Date First AvailableNovember 20, 2008
  
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Product Description

This is the World's first hydrokinetic adjustable wrench and is the only box-end wrench you need. It is as slim, reachable and strong as regular wrenches but you only need to carry one. It got very high evaluation by 'Popular Science' and 'Tool Snob'. "The HK1 Hydrokinetic Wrench is one of the more innovative items we've come across in quite a while." - by Tool Snob "One of the 12 must have products of 2009" - by Popular Science Magazine

Customer Questions & Answers

Customer Reviews

He loves new gadgets and was really happy with this one.
Jean Levin
The adjustment control on the side (to lock and unlock the sliding bar in the wrench) is small, has rough edges, and is hard to turn.
Nik
Haven't used it all that much yet ,but the little i have it worked very well and is very comfortable in the hand ,solid .
Curtis Herzog

Most Helpful Customer Reviews

66 of 70 people found the following review helpful By Dave VINE VOICE on February 13, 2010
Verified Purchase
This wrench is a new angle of an ajustible wrench that has been around for years. The HK1 is designed to fit a nut or bolt by sliding a center piece of the wrench within the formed 3 sided body of the fixed wrench side to add a fourth side that pushes tight against the open side of the wrench. In other words, this wrench will tightly grip a normal six sided bolt or nut by at least 4 sides making a tight fit to tighten or loosen a bolt or nut. I ordered one of these because it looked neat and appeared to be a modern solution to tightening or loosening a bolt/nut. This wrench is not as convienient or as fuctional as a normal adjustible wrench. And, because the sliding action within the wrench that makes up the fourth side is quite stiff, I rate this wrench with 2 stars because it is not as functional as the regular Craftsman or Crescent adjustable wrench. If the sliding part of the wrench worked more smoothly and lightly, I would rate it 1 star higher. Sometimes I get suckered into believing a new design would be superior to the old. This is one of those times. It is just a neat looking idea that does not serve its purpose as well as the simple and cheaper adjustable wrenches on the market. Even though it does not work well in practice, it is still a neat looking tool.
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19 of 22 people found the following review helpful By P. Vassilakos on February 22, 2009
After stumbling upon the video for this product on Youtube, I bought this wrench out of curiosity a little while a ago, and was pleasantly surprised. It works great. It has a valve in the center that allows you to adjust the piston to the size needed. I did find the pistons a little stiff in the beginning but they loosened up after playing around with it for a bit. Overall i am really pleased with it.
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5 of 5 people found the following review helpful By Philip E. Goss on March 23, 2009
Verified Purchase
Not for everyday use, but a hero tool for the mobile tool box in car or for emergencies. I am very impressed with heft and apparent quality of the tool and mechanism
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14 of 18 people found the following review helpful By Daniel Meneses on October 2, 2009
Verified Purchase
HK1 Hydrokinetic Adjustable WrenchI just received this tool this week and I gotta say it is really cool. The quality of the tool is great and very precise. I have every type of slide adjusting Crescent like wrenches that either have sticky slides or don't hold the setting on the nut. This holds fast. Great tool for your utility belt, seriously.
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4 of 4 people found the following review helpful By Mokihana K. Yuen on December 9, 2009
Verified Purchase
my boyfriend of ten years is your typical mr. fix it!! he takes on all kinds of projects. he luvs this tool. he uses it in most projects he does. it even has a spot in his "tools i always use" tool box.
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11 of 14 people found the following review helpful By Alejandro on March 8, 2011
Verified Purchase
the first time I used the HK1 it break, the valve inside the toll broke down and it doesn't adjuts

soryy about my writing but I am Peruvian and I do not talk to much English
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3 of 3 people found the following review helpful By DJF on November 21, 2011
Verified Purchase
I have yet to find a use for this wrench. A regular adjustable works fine, no need to reinvent the wheel. Its angled so it slips often and the adjustment is just silly.
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3 of 3 people found the following review helpful By J. Morse on July 12, 2010
Verified Purchase
This is an odd wrench. It does adjust to many sizes and probably does actually work in a lot of situations but it is not a wrench I would use as my 'go to' wrench for most jobs. Adjusting is hard, if not impossible, to do with gloves on. It is more of an emergency wrench to keep in your car, truck, boat or trailer where space might be limited. Save your money and buy an old school high quality, simple adjustable wrench. You can buy a set of 3 for about the same price if you shop around.
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