Milwaukee SHOCKWAVE™ Impact Duty™ 2.4" Magnetic Bit Holder is expertly crafted from Custom Alloy76™ Steel, designed to maximize wear resistance and ensure durability through precise heat treatment for controlled hardness. This bit holder features a strong magnetic tip that securely grips the drive guide, while the C-ring effectively retains the insert bit for reliable performance. Its innovative 2-piece construction is built to endure tough impacts, ing up to 30 times longer life d to standard bit holders. I for use with SHOCKWAVE™ Impact Duty™ Insert bits and Insert Magnetic Nut Drivers in various sizes, this bit holder delivers exceptional strength and longevity for demanding applications. Model Number: 48-32-4502