We have Factory-Reconditioned Makita HR2455X4-R 1-in SDS-plus Rotary Hammer and 4-1/2-in Grinder with Product Detail 3 modes of operation: "Rotation only", "hammering with rotation" and "hammering only" Powerful 7.0 AMP motor Variable speed for complete drilling and hammering control; reversible Chisel rotates 360 degrees with 40 different locking positions One touch sliding check for quick bit changes . The "Factory-Reconditioned Makita HR2455X4-R 1-in SDS-plus Rotary Hammer and 4-1/2-in Grinder" is best product for you. We recommended Factory-Reconditioned Makita HR2455X4-R 1-in SDS-plus Rotary Hammer and 4-1/2-in Grinder