The Crescent Apex® 38-piece fastening set is built for the most demanding jobsites. The stack and store alphaCASE™ features a tongue and groove design with thick sidewall construction. The 38-piece set includes a bonus Crescent Apex® patented non-marring u-GUARD™ covered bit holder which protect final finishes from damage and the Crescent Apex® Vortex line of torsion bits with optimized tip geometry for fit to the fastener. Screwdriving bit tips include square, Phillips®, Torx®, slotted. Bits are secured in pivoting insert rails inside the case, allowing easy access to bits and case configurability.