• ALL STEEL CONSTRUCTION LASTS AND LASTS • GROOVED DRIVING BLADE • PATENTED JAM PROOF MECHANISM • SHORT SPAN EASY COMPRESSION HANDLE • CHROME FINISH RESISTS WEAR AND TEAR • GROOVED GUIDE ENSURES PERFECT STAPLING FASTENERS USED: • 376, T37 3/8” STAPLES • 378, T37 1/2” STAPLES • 379, T37 9/16" STAPLES