We offer discount for large quantity. Welcome to us!6pcs Socket Mini Wrench Hand Tool Set 1/4 1/2 3/8 3/4 Ratchet Switch Driving Wrench Set Pneumatic Wrench Sleeve Adapter Features: Multifunctional, Mini, Explosion-Proof, Two Sides Ended, Anti-slip, Bionic, Anti-MagneticType: Socket Wrench Pneumatic SleeveName: Sleeve AdapterHardness: (HRC) 40+/-23/8 Hole 1/4 Head: 18g1/4 Hole 3/8 Head: 18g3/8 Holes 1/2 Head: 43g1/2 hole 3/8 head: 47g3/4 hole 2/1 head: 253g1/2 hole 3/4 head: 136g Color: black + red Material: steel Size: Specifications: 1/4 3/8 1/2 3/4 1 inch Package Content: 6 * Slot Mini Wrench Hand Tool KitOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm. About UsWe provide good product with best price, we support wholesale order/