20/10PCS Screwdriver Extension Holder Sturdy Chromium Vanadium Steel Drill Bit Adapter Sleeve 1/4inch Hex Shank

Material: Aluminum Alloy + Chromium Vanadium Steel

• Material: Aluminum Alloy + Chromium Vanadium Steel ; Size: 60mm ; Shank diameter: 6.35mm ; Parts List : 10×Extension Bit Holder OR 20×Extension Bit Holder
• The connecting rod length is 60mm/2.36inch, making it easy to access and replace the drill bit. It is suitable for 1inch screwdriver bits and accepts any 1/4inch hex long or short shank bit.
• The screwdriver extension is made of high quality aluminum alloy and chromium vanadium steel, sturdy and stable It is high-strength, hard, not easy to break, and not easy to be damaged. It can ensure long-term use.
• It adopts a hexagonal reinforced structure, which can increase the contact area. making drill bit less likely to shake or fall off, increasing safe when using.
• This drill bit extension is suitable for nuts, pneumatic screwdrivers, electric screwdrivers, pneumatic drills, hand screwdrivers, etc. It is ideal for conversion purposes.