Special thermoplastic body offers superior performance against chemicals, moisture, heat, cold and UV Shackle withstands over 300-lb. pull force Operates from -70°F to +350°F (-56°C to +176°C) Key retaining, cannot remove key unless the shackle is closed (S31 Model only) Designed to fit smaller diameter lockout points for lockout/tagout applications (ie European OEM Equipment) Marine grade 316 stainless steel shackle for superior corrosion resistance Uses FDA approved lubricants safe for use in food processing Each keyed alike set includes 2 keys Body Length 1-7/8"" Body Material Thermoplastic Body Width 1-3/8"" Key Type Keyed Alike Shackle Clearance Height 1-1/2"" Shackle Clearance Width 5/8"" Shackle Diameter 3/16"" Shackle Material Stainless Steel Type Safety Padlock