Features:* 100% brand new and high quality* High quality chrome vanadium steel bushing, durable and long service life.* High hardness and high torque, fully complies with ISO/ANSI standards.* Socket to screwdriver conversion adapter.* Many different sizes to meet different needs. Specification: * Color: Silver (as picture show) * Material: Chrome Vanadium Steel * 6 sizes to choose from: 1/4" * 1/4": 1/4 square hole to 1/4 handle 3/8" * 10mm: 3/8 square hole to 10mm chuck 3/8" * 8mm: 3/8 square hole to 8mm chuckBullet 1/2" * 8mm: 1/2 to 8mm bit holder 1/2" * 8mm: 1/2 square hole to 8mm chuck1/2"*10mm: 1/2 square hole to 10mm chuck* Quantity: 1 pc Package Contents: 1 * Socket Adapter Note: 1. The real color of the item may be slightly different from the pictures shown on website due to many factors such as monitor brightness and light brightness.2.Please allow slight manual measurement deviation for the data.