[DETAIL] 100% Brand new and high quality Brand: Krachtige Material: Cr-V Shank: 1/4 Hex (Approx 6.35mm) Size: 1/4Hex to 1/2"( 12.5mm) ,3/8" (10mm) ,1/4" (6.3mm) connector Length: 65mm (1/2-74mm) Uses: Suitable for a screwdriver handle or electric screwdriver tool (hexagonal hole or three-jaw chuck) drive sleeve to use. After install the original hexagonal size can be converted to square head size,so use to install the sleeve. NOTE 1. Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! 3 x Adapters [ATTRIBUTES] - Hign-concerned Chemical: None - Brand Name: Krachtige - Origin: Mainland China - Hign-concerned Chemical: None - Brand Name: Krachtige - Origin: Mainland China - is_customized: Yes - Certification: None - Model Number: 00552 - DIY Supplies: Woodworking - Material: Other - Type: Drill Adapter - Use: Other - Length: 65mm