Features:• Can lockout up to 6 pneumatic devices• For use with male fittings• Accommodates 1/4 in, 5/16 in, 3/8 in, 7/16 in, 1/2 in, 9/16 in, 5/8 in, 13/16 in connections• Measures 1-3/8in wide x 7-3/4in tall, 1/8in thick (33mm x 185mm x 3.2mm)• Stainless steel construction for corrosion resistance• Accepts up to 2 padlocks or lockout hasps for multiple worker lockout• Accepts any Master Lock or American Lock safety padlock with shackle diameter up to 9/32 in