8 Socket Adapters: This socket adapter kit includes size adapters 1/4" F - 3/8" M, 3/8" F - 1/4" M, 3/8 " F - 1/2" M, 1/2" F - 3/8" M, 1/2" F - 3/4" M, 3/4" F - 1/2" M, 3/4" F - 1" M and 1" F - 3/4" M. Chrome Molybdenum Steel Material: Made from heat treated chrome molybdenum steel for strength and durability, This adapter kit is a professional tool for commercial or occasional use. Dimensional Prints for Easy Attention: The dimensions of each socket are printed on the socket itself, making them easy to identify when a small amount is removed from the case, providing a convenient set of tools. Carrying case included: Comes with a plastic case for Easy storage and carrying, you no longer have to worry about losing any of these adapters, easy to carry. < /p> Socket adapter 1/4", 3/8", 1/2", 3/4", 1" Adapter socket set< /p> High quality 8 piece plug converter adapter set. Constructed from chrome molybdenum steel, heat treated for strength and durability. The dimensions of each socket are printed on the socket itself, making them easy to identify once you remove a handful from the case. 1/4"F - 3/8"M 3/8"F - 1/4"M 3/8" F - 1/2" M 1/2"F - 3/8"M 1/2"F - 3/4"M 3/4"F - 1/2"M 3/4"F - 1"M 1" F - 3/4" M Socket wrench adapter Socket wrench adapter Socket wrench adapter Made from heat-treated chrome-molybdenum steel for strength and durability, this adapter kit is a professional tool for commercial or occasional use. This socket adapter kit includes adapters sizes 1/4" F - 3/8" M, 3/8" F - 1/4" M, 3/8" F - 1/2 " M, 1/2" F - 3/8" M, 1/2" F - 3/4" M, 3/4" F - 1/2" M, 3/4" F - 1" M and 1 "F - 3/4" M. The dimensions of each socket are printed on the socket itself, and a handful of sockets can be easily identified after being removed of the case, providing a convenient set of tools to use. Socket wrench adapter a set of tools Delivery quantity: 8 pieces/box Product color: red Product size: 19*15*6cm Note: Manual measurement, please allow 1-3cm error.