Details:* Made of high-strength, heat-treated chrome vanadium steel.* Corrosion-resistant chrome plating.* High-torque design grips smooth fasteners on the sides, with no corners, preventing rounding.* Slotted detent or drive lock extension. Specification:* Name: 12 Point Socket Bit* Type: 1/4" Square Drive* Material: Chrome Vanadium Stainless Steel* Color: Silver* Size: 4mm,4.5mm,5mm,5.5mm,6mm,7mm,9mm, 10mm,11mm,12mm,13mm,14mm* Application: For Ratchet Wrench* Quantity: 1pc Package Included: 1* Socket Bit Note: 1.The real color of the item may be slightly different from the website pictures caused by many factors such as brightness monitor and light brightness.2.Please allow slight manual measurement deviation for the data.