MASTER LOCK® GRIP TIGHT™ CIRCUIT BREAKER LOCKOUT, 491B, TALL AND WIDE TOGGLES THE MATER LOCK® NO. 491B GRIP TIGHT™ CIRCUIT BREAKER LOCKOUT DEVICE FITS WIDE OR TALL BREAKER TOGGLES TYPICALLY FOUND ON HI-VOLTAGE/HI-AMPERAGE BREAKERS. THE INNOVATIVE PATENTED GRIP TIGHT™ DESIGN EFFECTIVELY LOCKS OUT CIRCUIT BREAKERS WITH A SIMPLE THUMB TURN AND THEN CLOSE CLAMPING HANDLE FOR A TIGHT GRIP ON THE TOGGLE. DEVICE ACCEPTS ALL AMERICAN LOCK® AND MASTER LOCK® SAFETY PADLOCKS AND MOST LOCKOUT HASPS FOR FULL LOCKOUT. DURABLE CONSTRUCTION STANDS UP IN HARSH ENVIRONMENTS AND COMPACT DESIGN IS EASY TO CARRY AND STORE. FEATURES