This all-in-one 3-drawer mechanics' 230-piece tool set will help your garage or workshop run like a well-oiled machine. Auto enthusiasts and master mechanics alike will appreciate the low profile 1/4-in., 3/8-in., and 1/2-in. drive 72-tooth ratchets with 5° arc swing. Improved low profile head design has up to a 25% thinner head* to allow greater access to confined spaces. Designed for security and ease of use, its drawer lock dial quickly anchors the drawers in place when not in use to help prevent contents from falling out. We’ve also incorporated a drawer stop system that allows drawers to be easily removed. Drawers open with one hand and can nest on top of the box for easy access and temporary storage. Compatible with the CRAFTSMAN VERSASTACK storage platform allowing for many different combinations of storage solutions based on your needs. Proudly backed by a Full Lifetime Warranty. *1/4” DR and 3/8” DR Only As Compared To CMMT81747, CMMT81748, & CMMT81749