Mesee Drill Bit Extension Set, 4 Pieces Magnetic Extension Chuck Adapter with 1/4 Inch Hex Shank Magnetic Bit Holder Quick Release Bar Socket Screwdriver Bits Holder Kit, 50mm/100mm/150mm/300mm Length

• Drill Bit Extension Set - Made of industrial heavy-duty chrome vanadium steel for high hardness and maximum durability
• What You Get - 4 Pieces drill extension bit holders come in 4 different lengths(50mm/ 100mm/ 150mm/ 300mm), meet your various length needs for extending single-head screwdriver bits
• Reach Narrow & Awkward Areas - Each bit holder extender can be connected to get additional length or super extension, flexibly used in the situation of narrow space for superior access to hard-to-reach fasteners
• Magnetic Screwdriver Bit Holder - Interface comes with a locking mechanism and built-in magnet, locking the screwdriver bits more tightly, suitable for screwdriver bits, drill, batch head, and other tools, NOT suitable for double-head screwdriver bits!
• Quick Release Bit Holder - Just press the red part to pop up the bit quickly and automatically, helping you quickly install and change screwdriver bits. Universal 1/4 Inch shank bit holders can be used with power drills, electric screwdrivers, 1/4inch impact drivers, and hand-held drivers

Mesee 4 Pieces Magnetic Screwdriver Bit Holder Set, 50mm/100mm/150mm/300mm Long Drill Bit Extension Holder 1/4 Inch Hex Shank Quick Release Extension Adapter for Impact Driver Bits