* TruTac Staple Gun * Comfort Grip * User Friendly Design The Arrow TruTac TT21 Light Duty Forward Action Stapler is great for Crafting, Home Décor and Decorating projects around the house. The soft comfortable ergonomic grips, clean/modern design and the forward action technology makes this tool easier to use, more precise providing better control. The TT21 fires JT21staples in three sizes: ¼ in. (6mm), 5/16 in. (8mm), and 3/8 in. (10mm).