Master Lock Lockout Hasp - 38mm Dia. Jaws 0421 (Each)The Master Lock No. 421 Steel Safety Lockout Hasp features a 1 1 2in (38mm) inside jaw diameter and can hold up to six padlocks. Ideal for lockout by multiple workers at each lockout point, the hasp keeps equipment inoperative while repairs or adjustments are made. Control cannot be turned on until last workers padlock is removed from hasp. Steel Lockout Hasp Lockout by multiple workers at each lockout point Keeps equipment inoperative while repairs