The Socket Conversion Adapter is a versatile tool that allows for easy switching between socket sizes. Made of stable materials, it is durable, resistant to wear. Its sleek design adds a touch of professionalism to any work environment. Features -Color:Black -Material:Chromium vanadium alloy steel -Size:4.00X2.00X2.00cm/1.57X0.79X0.79in -Note: 1/2" to 3/8" (12.7mm square hole to 9.53mm square head) 3/8" to 1/4" (9.53mm square hole to 6.35mm square head) 3/8" to 1/2" (9.53mm square hole to 12.7mm square head) 1/4" to 3/8" (6.35mm square hole to 9.53mm square head) -The socket conversion adapter is made of stable materials to ensure durability. -The multifunctional design of the socket adapter caters to various work needs. -The socket size conversion of the socket conversion adapter is easy and quick. -The compact and secure connection design of the socket adapter ensures connection. -The sleek and professional appearance of the socket adapter adds a touch of elegance. Package list: 4 x Impact Sockets