For Dewalt 18V Battery 18000RPM Cordless Electric Grinder Rotary Polishing Tools
Gear and RPM: 1st gear 6000RPM；2nd gear 10000RPM；3rd gear 12000RPM；4th gear 14000RPM；5th gear 16000RPM；6th gear 18000RPM. Compatible with the 18V 20V Lithium Ion DCB Dewalt series battery. Electric grinder 1.