*Drives from 1-1/2 to2staples (Crown:12.7mm 1.9*1.6mm) *Light weight die-cast Alu.body for less fatigue. *Better balance for stability. *Ergonomic design with longer handle for ease of operation.. *Hardened driver blade for longer life. *Composite base to eliminate scratch and damage to the surface of the wood. *Non-Marring base is designed to allow driving of fastener close to wall. *Mallet included