SPEEDWOX Impact Grade Socket Adapter Impact Grade Socket Adapter Socket Adapter Extension Socket Adapter Extension 150mm and 72mm Extension Bits with

Set Includes: 6-piece 150mm (6 inch) and 72mm (3 inch) extension bits with holders. 6.35mm (1/4 inch), 9.5mm (3/8 inch), and 12.7mm (1/2 inch) drives. Hexagonal shaft shank with 6.35mm (1/4”) shaft diameter. 【Material】Top quality chrome vanadium steel drop forged and heat treated for strength and durability.Black phosphate surface treatment, high torque, high hardness and rust resistant. 【Design】Each square-head spring-loaded ball bearing is securely locked into its sleeve to prevent slippage during use. [Applications] Ideal for removing bolts, square head screws and lug nuts with impact power tools or cordless drills. [Quality Guarantee] When you receive the product, if it is scratched, if accessories are missing, or if you think there is a problem with normal use, please contact us. In any case, we will always respond directly, so please rest assured. Specifications: Material: Chrome Vanadium Steel Size: Set of 6 150mm (6 inch) and 72mm (3 inch) extension bits with holder. 6.35mm (1/4 inch), 9.5mm (3/8 inch), 12.7mm (1/2 inch) drive. Hexagonal shaft shank with 6.35mm (1/4”) shaft diameter. About SPEEDWOX: SPEEDWOX is a professional manufacturer of power tools with new technology and reliable production. Founded in 1958, we have more than 800 engineers and employees. We place importance on our customers' safe and secure work. Precautions: 1. Keep out of reach of children. 2. Please check the size before purchasing.