Hex Shank Screwdriver Quick Release Extension Holder Bit Set 3Pcs Extra Long Drill Bit

Material: Stainless Steel + - Steel Suitable for drill screwdriver batch head and other to transfer 1 x 60 mm/ 2.36 inch Extension Drill Bit Holder Fast fastening; Greatly improve work efficiency Color: As picture shows Hex Shank: Approx. 1/4 (6.35mm) Interface has a locking mechanism built-in automatically up batch head Can extend all kinds of screwdriver bits screwdriver head conversion uses 1 x 150 mm/ 5.91 inch Extension Drill Bit Holder 1 x 100 mm/ 3.94 inch Extension Drill Bit Holder and high quality Length: Approx. 60mm/2.36 100mm/3.94 150mm/5.91