Hiploks patented wearable fastening adjusts to fit your waist without locking to the body, providing a safe and convenient way to carry a secure chain lock. It is the classic and HIPLOKs best selling wearable chain lock features a premium quality hardened steel 8mm shackle and 6mm chain to protect your bike. Independently approved by the experts at Sold Secure and SBSC. Sold Secure Bronze & Sbsc Security Ratings Eurobike Design Award-winner Adjustable Fit waist 66-112 cm (26-44) Wearable DesignSafe + Removable Locking Length: 75cm Chain Thickness: 6mm Shackle Diameter: 8mm Waist Size: 66-112 cm (26"-44") Key or Combination: 3 x curved keys Security Certification: ENRA, SOLD SECURE BRONZE, SBSC Weight: 1kg