Sportneer Bike Lock Set Heavy Duty U Lock with 5 Ft Security Steel Cable Keys Product details Brand Sportneer Special Feature Portable,Heavy Duty Material Silicone Shape U Shape STURDY DURABLE: Don?t risk your bike getting stolen! You?re in good hands with the Sportneer Bike U Lock which is cut-resistant, leverage-resistant and drill-resistant, made with 0.56in, high quality alloy steel. Covered in a 0.10in silicone cover, the lock will stay protected from wear and tear, while also protecting your bike from scratches. ADDITIONAL 5 FT CABLE: Also included is a 5ft double-looped steel cable 0.43in thick (including PVC covering). You can use the cable to lock the frame, your helmet, the wheels, or other bikes. Secure your bike to bike racks, fences, poles and more!