KDT9312 Features: -Patented wrench locker rack holds wrenches in place for transporting and storage.-13 Piece SAE Master Combination GearWrench Set. Includes: -Includes the following sizes: 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16" and 1". Warranty: -Sets & Kits do not have warranty/ see individual pcs for details.