The Master Lock personal lockout toolbox kit is a 17"/43.1 cm wide lockable plastic toolbox filled with an assortment of 8 valve lockout devices, 3 keyed alike anodized solid aluminum safety padlocks with 5-pin tumbler cylinders, and 12 laminated safety tags with nylon cable ties. This kit is part of a lockout/tagout (LOTO) safety procedure required at facilities where multiple devices and energy sources need to be isolated during maintenance and repair. It helps provide organized and portable access to lockout devices. When used according to manufacturer"s recommendations, this product is covered by a limited lifetime warranty against defects in workmanship or materials. Lockout/tagout (LOTO) safety procedures require that lockout devices meet Occupational Safety and Health Administration (OSHA) 1910.147(c)(5) standards for quality assurance. LOTO devices use color, warning labels or tags, and sometimes a physical barrier to help prevent machine operation or power activation during maintenance and repair. Master Lock manufactures padlocks, combination locks, and related security products. The company, founded in 1921, is headquartered in Milwaukee, WI. What’s in the Box? Toolbox Anodized solid aluminum safety padlocks, keyed alike (quantity: 3) Steel lockout hasp, 1"/2.5 cm inside jaw diameter Labeled snap-on lockout hasp, red Adjustable cable lockout, 5/32" (4 mm) diameter Gate valve lockouts (covering a range of valve handle diameters from 1"/2.5 cm to 6.5"/16.5 cm) (3) Ball valve lockouts (2) Laminated safety "Danger" tags (12) 8" one-piece nylon cable ties (12)