KRM Circuit Breaker Lockout with plain and folding screw type that is UV resistant. It fits on wide range of switches that is of 0.30" to 0.60" height suitable for single , double, triple and four pole. Dimension - Center to center length 58 mm, widht at large curve end 29.5 mm, width at lower 24.5 mm, thickness 13 mm, internal hole diameter 9 mm, average center internal grip 8mm.