Ridgid ZRR3031 6 Amp One-Handed Orbital Recip Saw with THRU COOL Technology (Certified Refurbished) THRU COOL motor for higher amp draw and extended motor life Orbital action for aggressive cutting through a variety of materials Powerful 6 amp motor and 3,500 RPM for the tougher applications Tri-Beam LED allow greater visibility in tight spaces Variable speed trigger matching speed to the application