Check the listing for details. 3pcs Nut Driver Drill Bit 18mm Socket 1/4" Hex Shank 3.15" Length Setter Blue. Condition: New. Listed at 29.08 USD. Made of chrome-vanadium (Cr-V) steel, this nut driver drill bit is treated with heat treatment to boost hardness and torque resistance. This sleeve features a protective painted finish for superior corrosion, rust and abrasion resistance, ensuring long-lasting durability.The hexagonal design helps achieve a solid grip and effective torque transfer from the tool to the fastener, reducing the effort needed. Additionally, the extended length design of this nut driver drill bit tool provides enhanced reach and access in tight spaces, ensuring it can effectively handle a wide range of applications with precision and ease.1/4 inch quick-change hex shank nut driver sockets are suitable for tasks that require precise driving of hex nuts and bolts, such as assembling furniture, machinery repairs, and automotive maintenance.