S&W 1800 Nickel Waist Chain. The Model 1800 has the Model 100 handcuff positioned at each hip allowing for either parallel arm, or cross arm handcuffing. The special 54 inch heat treated steel chain includes padlock rings for waist size adjustments. Two keys supplied. Made in USA., distance between cuffs 15.25 inch, cuff distance from chain-3.5 inch and weight 27.0 oz.