Quantity(pcs):100 DescriptionSpecifications: 1/4 "hex shank (6.35mm)Length: 60mmColor: BlackProperties: interface has a locking mechanism, built-have magnetic, automatically pop up batch head.Features:Suitable for drill, screwdriver, batch head and other to transfer.Extend all kinds of screwdriver bits, screwdriver head conversion uses.Fast, fastening. Greatly improve work efficiency.Package includes: Quick Release Magnetic Screwdriver Bit HolderAfter place order:please leave message tell seller ,the declare value in the invoice.if not,will decide as seller's considerationQuality Guarantee:One year Guarantee(not including components).Items can be returned for repair within 1 year from the date you receive your merchandise.Buyer is responsible for return shipping with proper packaging.Buyer is responsible for return shipping cost and insurance.Please contact us via email before return.if meet pacakge destroyed,(once you recieve the goods. if find the goods broken ,please contact with express company, First Time. and get ''the goods broken proof ducuments'' and '' issue number',then can get compensation from express company ,meanwhile,you send back the broken item back by post, i will change new or repair it,i will pay for the return shipping fee )any problem,please send back by post,don't estimate the value as compensationContact us:For some uncontrollable factors, the item may be damaged during shipping. If you receive a broken item, Please Contact us first, we will investigate and replace, if you have any other questions please email us.We will respond within 1 business day or less. Please include item number or order number in all communications.Item specifics:Screw head type: HexModel number: HY-6.35mmType: Magnetic Screwdriver