7Pc Socket Adaptor Set - Flexible Joints, Reducers, Swivel Connectors for 1/4, 3/8, 1/2" Drives1 4" 3 8" 1 2" Drive Adaptor Allows sockets to access hard to reach areas 360 degree swivel action Attaches to your ratchet & other Square drive accessories 1 4", 3 8" 1 2" universal joints Spring Ball bearing on each universal joint to ensure sockets attach securely Great value and addition to the tool box Packge Includes: 3x Flexiable Adaptors: 1 4", 3 8", 1 2". 4x Reducer: 1 2" to 3 8", 3 8" to 1 2", 3 8" to 1 4", 1 4" to 3 8".