This kind of trigger lock is widely used in electric power tools for power controlling. This Switch is without lock design, it is with screw terminals for wire connecting. Details: Product Model: FA2-6/2W5; Product Parameters: AC125V, 16 (10) A, 250V 8 (6) A; Product Dimensions: 54 x 38 x 15mm/2.12 x 1.37 x 0.59 (L x W x T). NOTE: The trigger may be much smaller, you can try it by taking the old trigger and modifying it to fit the new one with good results. Packing Listing:Packing include 1 x Electric Hammer Drill Trigger Switch. ASIN B07DRBTQ4P Model BLMN201806041060 Wattage 2000 watts Terminal Dpst Brand Name Mxfans Unit Count 1.0 Count Item Weight 0.04 Pounds Part Number BLMN201806041060 Switch Type Trigger Switch Circuit Type 2-way Contact Type Normally Open Control Type power control Manufacturer blhlltd Actuator Type Push Button Material Type Plastic And Metal Mounting Type Surface Mount Connector Type Screw Control Method Touch Current Rating 8 Amps Operation Mode manual Controller Type Electric Hammer Part Number of Items 1 Contact Material Brass Operating Voltage 250 Volts Compatible Devices Electric power tools (Drills, Saws, Sanders, etc.) with matching voltage and current ratings Number of Positions 2 Connectivity Protocol X-10 International Protection Rating 250