This is a hand electric drill speeds controlling switch, with reasonable design and practical functions. It is a momentary triggerlock for power tool control, which can help you complete speeds adjustment. It is made of excellent craftsmanship, sensitive and practical, easy to adjust, and will bring you a good experience. Features -Color:Assorted Color.-Material:Plastic.-Size: About7.00X4.50X3.00cm/2.75X1.77X1.18inch.-Voltage: 250V.-Current: 6A.-Mainly help control and adjust speeds according to your actual needs, so that you have a more relaxed working experience.-It is portable and easy to install. It can be easily applied to your electric hand drill for better adjustment.-Reasonable structure, convenient installation and disassembly, excellent durability, and suitable for most portable electric tools.-Fine workmanship, safe and durable, easy to press, can help you easily adjust speeds.-This is an excellent electric drill speeds controlling switch, which can effectively improve the performance of your electric drill.Packing list: 1 x Hand Drill Trigger Switch