Surebonder, #6 Heavy Duty 3/8" Staple, 1000 Staples Per Box, For Use With Ace Models 22084, 22087 & 27175; Black & Decker Models 9700, 9701, 9713 &9715; Craftsman Models 6846, 6843, 68423, 68643, 6844, 68447, 68477 & 68471; Duo-Fast Models Ct850, Ct859, Xe5018, Ct50 & Ht550 Staple Guns.