Product name: 5PC color powerful sleeve Specification: purple / blue / green / yellow / red handle each Sleeve specification: 8mm groove Length: 65 mm Material: CRV, surface spray paint treatment Shank diameter: 6.35mm hex handle Packaging: blister Size: 14 * 9 * 2cm Weight: 0.17 kg Lens: Suitable for using hexagonal screws. Installation and Removal of Hex Bolts / Hex Nuts / Hex Self Tapping Screws