From the Manufacturer
The Arrow Heavy Duty T50 17/32 inch staple, each box has 1,250 pieces. Fits many Arrow models and will also fit other brands such as Powershot, Craftsman, Ace, Master Mechanic, and Stanley
17/32-Inch Ceiling Staples
1,250 per box
Flat crown with 3/8-inch width
Fits many Arrow models and other brands such as Powershot, Craftsman, Ace, Master Mechanic, and Stanley
Perfect For Ceiling Tile Insulation