THE SWITCH IS SUITABLE FOR APPLIANCE OF CLASS II. ARE WIDELY USE ... . HT1010 SERIES ARE MULTI-SPEED TRIGGER SWITCHES WITH BY-PASS CONTACT, INTEGRATED DUSTPROOF, THE TRIGGER AND LEVER CAN ACCORDING TO CUSTOMER ... HELD MOTOR-OPERATED ELECTRIC TOOLS,SUCH AS:DRILLS, IMPACT DRILLS, ROTARY HAMMERS, JUG SAWS, RECIPROCATING SAWS, SABRE SAWS, ELECTRIC MIXERS, POLISHERS ...