Specifications Material Chrome molybdenum steelAdapter Sizes 6pcs set 3 4 x1 2 1 2 x3 4 3 8 x1 4 1 4 x3 8 1 2 x3 8 3 8 x1 2Adapter Sizes 10pcs set 1 4 Fx1 4 3 8 Fx1 4 1 2 Fx1 4 1 2 CR MO 3 8 CR MO 1 4 CR MO 1 2 Fx3 8 3 8 Fx1 2Finish Corrosion resistant black oxideFeatures 1 High Strength Material Crafted from chrome molybdenum steel to ensure lasting performance even under high torque and pressure scenarios 2 Secure Fit Adapters feature ball detent locks designed to securely hold sockets in place and prevent slippage during operation 3 Enhanced Accuracy Special chamfer design accommodates locking pins and rings ensuring precise and stable connection between tools and sockets 4 Corrosion Resistant Finish Black oxide coating protects against wear and oxidation maintaining long term functionality in challenging environments 5 Versatile Application Universal adapter sizing allows for seamless compatibility with a variety of impact drivers and wrench setups Package Included 1 x Driver Adapter Set1 x Storage Box