Types: Y3 Y4 Y5 Y6 ,1pc each. 4 Bits(Y3 Y4 Y5 Y6 ,1pcs each). Size: 65mm (Approx.). Suitable for: air batch, hand drill, charging wrench and other tools. The Y-shaped head has a large touch area between the Y-slot of the bolt and the bit, which makes it easy to operate and is not easy to slip.
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