Includes (25) #2 Phillips bits and 2.36" standard with C-ring magnetic bit tip holder. Driver bits are made from proprietary steel and are heat treated to maximize resistance to wear and shock. Precise fit custom machined tip prevents stripping and reduces wobble. Optimized Shockzone absorbs peak torque and prevents breaking. Forged tips offer maximum grip and eliminate stripping and slipping. Shockwave impact duty magnetic bit holder features a powerful magnet allowing for a secure grip. Made from proprietary steel and heat treated. The 2-piece construction withstands abusive applications.