Premium Extension Bar: The drill bit extension holders are made from heat-treated chrome vanadium steel, making them stronger and improving their performance for lasting durability
S2 Steel Bits: Made of premium heat-treated S2 alloy steel with a black phosphated finish, our screwdriver bit set offers exceptional longevity for industrial-grade applications and stands up to great pressure and high torque
Extra Aluminum Sleeve: The additional aluminum sleeve design on the drill bit holder allows you to support the outer sleeve with your hand while using it, without affecting its rotation. This thoughtful design ensures stability and precise control in all drilling and screwdriver tasks
Dual Lock: The magnetic bit holder features a strong built-in magnet and a snap ring lock for dual locking, ensuring your screwdriver bits and drill are securely held in place. Simply slide the locking mechanism on the head of the quick-release bit holder for quick and easy changes, greatly enhancing work efficiency and precision
Universal Compatibility: The 1/4-inch hex extension is designed for universal compatibility. It works with all insert and 1/4-inch hex bits, making this drill bit extender a must-have for your tool collection. It delivers versatility and ease of use for any screw, nut, or hexagonal shaft
Versatile Lengths: Enjoy exceptional flexibility with the 4-Piece drill bit extension set, which includes sizes of 2-3/8", 4", 6", and 12". This set includes 10 pcs of 1" long screwdriver bits (Phillips bits3, Slotted bits3, Torx bits4), offering a wide range of options for various applications