◮Different dimension: 3pcs sds drill bits socket adapter extension,1 x 1/4",1 x 3/8",1 x 1/2" driver adapter sets. 2pcs 1/4" SDS socket hex shank drill extension bit set.

◮Premuim quality and material of drill extension: SDS drill bit set are made of stainless steel hardened and treated Chrome-Vanadium steel alloy. Durable and portable, flexible shield protects your hand while the inner shaft rotates.

◮Well-designed og hex sockets: Socket drill adapter extension set with ball-latch design has a stable and solid finish surface, which can quick connection or disconnection. Keeping fasteners and bits safe while driving.

◮Universial Fit: Universal SDS plus shank adapter for drill would fit most electric screwdrivers, drills and chucks.(hexagonal hole or three-jaw chuck can)

◮Easy to carry: These small sizes allow you to bring your bit extension anywhere to get any job done and can fit into impact drill impact driver many tool bag. For questions or problems, please contact us!