Individually tested to exceed standards. Two layers of insulation provide protection against electric shock. A comprehensive assortment of 22 insulated tools. (See individual tool listings for more details.) The custom case includes 3 pallets with custom-fitted pockets for each tool- piano-hinged cover has both a combination lock and two key-locked latches for security- storage space behind the pallets to keep important papers and accessory items. Case™s inside dimensions are: 17-3/4" W x 14-1/4" D x 8" H (451 mm x 362 mm x 203 mm); Overall case dimensions are: 18-7/8" W x 15-3/8" D x 8-1/4" H (479 x 391 x 210 mm). Overall case dimensions are: 18-7/8" W x 15-3/8" D x 8-1/4" H (479 mm x 391 mm x 210 mm).  Kit Includes: D2000-9NE-INS, D2000-28-INS, D2000-48-INS, D203-8N-INS, D220-7-INS, D203-6-INS, D203-7-INS, 12098-INS, 63050-INS, D502-10-INS, 11045-INS, 1005-INS, 1570-3LR-INS, 601-4-INS, 601-6-INS, 601-8-INS, 602-4-INS, 602-6-INS, 602-10-INS, 603-3-INS, 603-4-INS, 603-6-INS and 33537 custom case.