Ryobi introduces the 1,250pc 3/8" x 1/4" Crown Staples. These staples feature a galvanized finish for rust resistance, steel construction for durability and longer holding power, and a smooth shank design that prevents nail jams. Compatible with (P317KN) RYOBI ONE+ 18 Volt Cordless Compression Drive 3/8 in. Crown Stapler Kit and (P317 ) RYOBI ONE+ 18 Volt 3/8 In. Compression Drive Crown Stapler.