Hiplok: Maximum security wearable chainlock featuring Hiplok’s patented wearable speed buckle fastening which quickly adjusts to fit the waist while riding without being locked to the body.Features:Maximum Security – 10mm hardened chain, 12mm hardened shackle 85cm locking circumference fitting waist size 28-44” Speed Buckle fastening – never locked when wornRemovable, washable sleeve with optional reflective detailSold Secure GOLD rated3 x coded replaceable keys