Features:Made of quality CR-V material in fine workmanship that is hard, durable and precise.The spring ball lock ensures a tight fit into the driver head to prevent slipping during use. Specifically machined to fit securely into a hand held driver, drill driver or impact wrench.Lightweight, fast, connect to the standard hex screwdriver.Functional head has locking & magnetic function.Gears housed in die cast body with 3 sets of ball bearings for long lasting durability 1/4 inch hex drive shaft is quick change compatible and fits most power drill and driver chucks.

Specification:Material: CR-VSystem: Metric systemAll Sockets Standard 1/4" Hex ShankQuantity: 3pcsSize:1/4" hex shank to 1/4" socket---- 1/4 " shank can be converted to 1/4\'\'(6.35mm) square head1/4" hex shank to 3/8" socket----- 1/4 " shank can be converted to 3/8\'\'(9.53mm) square head1/4" hex shank to 1/2" socket ----1/4 " shank can be converted to (1/2\'\')12.7mm square head

Package includes:1 x (1/4" hex shank to 1/4" socket)Socket Adapter ( Black )1 x (1/4" hex shank to 3/8" socket)Socket Adapter ( Black )1 x (1/4" hex shank to 1/2" socket)Socket Adapter ( Black )

Notes:1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!2. Please allow 1-3cm measuring deviation due to manual measurement.