Brady Plastic Lockout/Tagout Padlock, Keyed Alike, 1-3/4" Body Length, 1-1/2" Shackle Clearance, Red (Pack of 6) Nonconductive, non-sparking safety padlock helps protect workers from spark ignition in hazardous environments Fiberglass-reinforced nylon body resists impact, chemicals, and corrosion, and is durable in temperatures ranging from 0 to 250 degrees F Lock sets keyed alike; parametric keyway helps prevent key duplication for optimal security Compact lock measures 1.75 x 1.5 x 0.8 inches (Height x Width x Depth) Triple-coated hardened steel shackle has 1.5 clearance and 0.125 diameter