... TOOLS. HT1010 SERIES ARE MULTI-SPEED TRIGGER SWITCHES WITH BY-PASS CONTACT, INTEGRATED DUSTPROOF, THE TRIGGER AND LEVER CAN ACCORDING TO CUSTOMER ... CONTROL ; DOUBLE SPEED ; INVARIABLE ROTATE SPEED WITH FEED BACK; ON-OFF VERSION; SPEED LIMITED IN FORWARD OR REVERSE; PASSIVE LINEAR POTENTIOMETER ... SAWS, ELECTRIC MIXERS, POLISHERS, ORBIT SANDERS ECT. DUSTPRO OF AC TRIGGER SWITCH WITH VARIABLE SPEED