Kryptonite New York 1275 Cinch Ring Chain & 14mm EV Series 4 Disc Lock 75cm x 12mmFeatures 12mm six sided, chain links made of 3t HARDENED MANGANESE STEEL for maximum strength CINCH LOOP for effective lock ups using less chain Offers nearly the same in use length as a traditional 3. 5 chain, which means less bulk to carry Durable, protective nylon cover with hook n loop fasteners to hold in place Includes Evolution series 4 Disc Lock with 14mm MAX PERFORMANCE STEEL SHACKLE HIGH SECURITY DISC STYLE CYLINDER with reinforced anti