4pcs Square Ratchet Socket Adapter Reducer Kit 1/2 to 3/8 Plug Adapter 3/8 to 1/2 Plug Adapter 3/8 to 1/4 Plug Adapter (Silver Color), Colour: Silver.

Specifications: - material: chrome steel - Vanadium (CR - V) - Color: Silver - Specifications: 1 / 4 inches (f) x 3 / 8 inches (m), 3 / 8 inches (f). Package: - 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" - - (1/4" square hole to 3/8" square head)

• Product size: 1 / 4 inches (hole) to 3 / 8 inches (head): 0.54 x 1 inches; 3 / 8 inches (hole) to 1 / 4 inches (head): 0.65 x 1 inches; 3 / 8 inches (hole) to 1 / 2 inches (head): 0.7 x 1.42 inches; 1 / 2 inches (hole) to 3 / 8 inches. " (head): 0 .85" x 1.44".
• Heat treated chrome vanadium steel is treated with a layer of black oxide and has good compressive strength of normal torque.
• Square ratchet sleeve adapter is suitable for square gimbal assemblies and square transmission extension rod assemblies for industrial, mechanical or construction work.
• The adapter plug is suitable for square gimbal kit, square drive extension bar kit.
• Adapters and reducers are made from chrome steel, forged and heat treated with heavy hammer for exceptional strength and durability that surpasses and withstands any working condition.