Group Lockout Box, Box Color Yellow, Box Material Steel, Door Opening Type Hinged, For Maximum Padlock Shackle Diameter 5/16 in, Maximum Number of Padlocks 12, Number of Key Hooks 0, Overall Depth 3.61 in, Overall Height 6.11 in, Overall Width 9.31 in, Mounting Location Portable, Handle Material Plastic, Includes (12) Lock Holes, Legend Safety Redbox Lock Box for Group Lockout, Number of Mounting Holes 12, Standards OSHA 29 CFR 1910.147