Forging with industrial-grade steel, integral heat treatment, higher hardness and impact resistance. Hexagon screw connection and concave groove design make it safer to prevent falling off. Fine polishing electroplating anti-slip knurling surface fine polishing treatment, bright chrome electroplating, knurling design to increase friction. supporting storage plastic boxes are practical and lightweight, and easy storage tools are not messy and more convenient to carry. Name: CR-V Cr-V steel sleeve Long version of 10pcs 1/4 inch: 5/6/7/8/9/10/11/12/13/14 mm. Colour:silver Material:steel Package Contents: 10 x 1/4 long hexagonal sleeve Product Notes: Please allow a little manual errors.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 24 hours.