Sold as each. Loads staples sized: 1/4" (SKU # 20361), 5/16" (SKU # 20362) 3/8" (SKU # 20363) 1/2" (SKU # 20364) 9/16" (SKU # 21096) 9/16" ceiling tile (SKU # 20365. For insulation, weather stripping, upholstering, carpet padding. Non-jamming. Contoured handle. Visual refill window. Triple chrome plated steel. Shoots in excess of 40,000 staples in life test. Bonus pack includes free wire guide attachment and free belt loop holder. Boxed. Manufacturer number: T50ACE. Buy Hardware Supplies SKU #: 2195287. Country of origin: United States. Distributed by Arrow Fastener, Inc.