18Pcs 1/2-inch Drive Deep Impact Socket Set, 6 Point, Metric Size 10-24mm, CR-V Steel, Extension Bars

Chrome Vanadium Steel 18-Pcs 1/2″ Drive Deep Impact Socket Set, We invite professional engineers to design and produce every socket and extension bar. The impact socket set is made of high-temperature heated CR-V material, with a black manganese phosphate on the surface. They have a potentially powerful strength to help you loosen those tough fasteners. The sidewall drive socket exerts force on the fastener wall to extend the life of the fastener. Laser-etched, highly visible marking, easy to read. The set includes 3 extension bars to help you work better. The overall toolbox can be easily carried around.