WARRANTY & CUSTOMER SERVICE: 3-month warranty applies to the bike lock chain, 90-day money back policy, 24-hour online customer service. If you are not satisfied with it, you get a full refund unconditionally. Rest assured. WIDELY APPLICATION: This motorcycle lock is 48” / 120cm, long enough to lock 3 to 4 motorcycles together, also ideal for locking lawnmowers, sports equipment, tool boxes, motorcycle & scooter, skateboards, gates, fences, grills, ladders etc. A great gift to friends, families, or students who needs it. STOUT U LOCK & 4 ERGONOMIC KEYS: Our chain lock comes with 1 sturdy U lock made of 14mm hard zinc alloy shackle and thick PVC coating, strong resists cutting and leverage attacks, ensures your motorcycle safety. 4 ergonomic keys are made of hard and durable stainless steel, never bent or twist. Anti-theft lock cylinder design, please insert the key all the way, otherwise it would be stuck or fail to unlock. SCRATCH-PROOF COVER & FRIENDLY SIZE: The chain lock is wrapped by a water-resistant nylon sleeve, which is scratch-proof and wear-resistant, protects chain from scratching your property. 48” / 120cm * 2” / 5cm strong cut resistant chain lock is made of 19 chains, each chain is 5cm (2 in) in width & 8.5cm ( 3.3 in) length & 15mm ( 0.6 in) height, sturdy enough to securely lock your valuables. HEFTY & STRONG CUT RESISTANT: Our bike lock is made of unbreakable 3T manganese steel, 12mm square-linked chain, strong and tough, can withstand TOTALLY 8KN tension and 17KN shear force providing maximum cut resistance and much safer than most of other chain lock in the market.Material: Nylon, Stainless Steel, Alloy Steel, Polyvinyl Chloride, Zinc. Item Dimensions LxWxH: 47.24 x 1.97 x 1.97 inches. Lock Type: Key Lock. Special Feature: Heavy Duty,Cut Resistant,Water-resistant. Brand: BIGLUFU. Date First Available: June 5, 2020. Best Sellers Rank: #18,459 in Sports & Outdoors. Customer Reviews: 4.3 out of 5 stars 916 ratings 4.3 out of 5 stars. : B087TG1G4R. Batteries Required?: ?No. Batteries Included?: ?No. Special Features: ?Heavy Duty,Cut Resistant,Water-resistant. Item Package Quantity: ?1. Size: ?120cm/4ft long. Product Dimensions: ?47.24 x 1.97 x 1.97 inches. Item Weight: ?6.6 pounds. Part Number: ?BIGLUFU. Manufacturer: ?BIGLUFU. Control Method: ?App. Item Weight: ?3 Kilograms. Shape: ?U Shape, Square. Number Of Pieces: ?12. Color: ?Silver, Black. Style: ?120cm/4ft x 12mm Diameter Chain with Lock -1. Material: ?Nylon, Stainless Steel, Alloy Steel, Polyvinyl Chloride, Zinc. Item Dimensions LxWxH: ?47.24 x 1.97 x 1.97 inches. Lock Type: ?Key Lock. Special Feature: ?Heavy Duty,Cut Resistant,Water-resistant. Brand: ?BIGLUFU.