This miniature circuit breaker (MCB) lockout device is universal for many makes and models. It requires no tools to fit it on to the MCB. Locks out virtually all ISO/DIN circuit breakers throughout the world.Dimensions: 52.65x17.70x29.99mmBody material: PBT with brass thread insertCover: PBT & thermoplasticScrew: Stainless SteelOperating Temperature: Minus 40C to 70CCorrosion Resistance: ASTM F883 Grade 6