These sockets allow access to difficult components such as wired sensor units (e.g., Thermo Switches, Temperature Sensors), pipe connectors, ABS pipes, master cylinder pipes, and diesel injection pipes. The set contains 4 x 3/8" Drive Slotted Sockets (10mm, 11mm, 12mm, 14mm) and 2 x 1/2" Drive Slotted Sockets (17mm, 19mm). Designed for professional use or occasional DIY. Weight: 1.1243575362 Pounds. Manufacturer: US PRO.