Modname ckeditor =Specification:! Material: CR-V chrome vanadium steelOlor: as the picture showsSize: approx. Rotate 1/2" ( 12.5mm) ,3/8" (10mm) ,1/4" (6.3mm)1/4*1/4*50mm length - 1/4" mandrel can be converted to 6.35mm3/8*1/4*50mm length - 1/4" mandrel can be converted to 9.53mm1/2*1/4*50mm length - 1/4" mandrel can be converted to 12.7mm1/4*1/4*65mm length - 1/4" mandrel can be converted to 6.35mm3/8*1/4*65mm length - 1/4" mandrel can be converted to 9.53mm1/2*1/4*73mm length - 1/4" shank can be converted to 12.7mm1/4*1/4*25mm length - 1/4" shank can be converted to 6.35mm1/4*1/4*30mm length - 1/4" shank can be converted to 6.35mm square head Quantity: 8pcsPackage Included:8pcs x Drill Bit Screwdriver Socket Extension RodNote:1. Please allow 1-3mm differs due to manual measurement.2. Due to the different display and different light, the picture may not reflect the actual color of the item. Thank you for your understanding. Payment1) we accept Alipay, West Union, TT. All major credit cards are accepted through the payment processor's secure escrow.2) payment must be made within 3 days of placing the order.3) if you are unable to check out immediately after the listing ends, please wait a few minutes and try again, payments must be completed within 3 days. Shipping1.