... TOOLS. HT1010 SERIES ARE MULTI-SPEED TRIGGER SWITCHES WITH BY-PASS CONTACT, INTEGRATED DUSTPROOF, THE TRIGGER AND LEVER CAN ACCORDING TO CUSTOMER'S ... , IMPACT DRILLS, ROTARY HAMMERS, JUG SAWS, RECIPROCATING SAWS, SABRE SAWS, ELECTRIC MIXERS, POLISHERS, ORBIT SANDERS ECT. DUSTPRO OF AC TRIGGER SWITCH WITH VARIABLE SPEED