DEWALT DW2530 35 Piece Magnetic Compact Rapid Load Set Quick and easy accessory changes allow users to finish jobs faster Hex shank locking system prevents bits from slipping Rapid Load holder fits all brands of corded/cordless 3/8-Inch or 1/2-Inch drills Features a broad range of bits to accommodate most common applications Durable carrying case for transport and storage Rapid Load Fits in Drill/Driver &amp; 7 in 1 Screwdriver Compact Magnetic Drive Guide Holds 1&#034; Bit Tips Tough Case Container Bit Retention System Keeps Bits Secure Rapid Load Quick Change Accessory System