The Bike-It Mammoth Security Combo 8 includes high quality products from the Bike-It Mammoth Security Range that will help keep your pride and joy safe and secure.Hardened steel lock body and double bearing mechanism11mm hardened steel closed U-shackleSleeve protects wheels and paintworkAnchor simply bolts into any concrete surfaceManufactured from hardened steelSuitable for outdoor and indoor useBike-It Mammoth Lock and Chain - 10mm x 1.8m is designed for all securing needs, especially suited to secure a bike to a permanent fixing. It has been constructed from either 10mm or 12mm square link hardened steel chain in a 1.8m length. The lock has a 11mm hardened steel closed U-shackle and a double bearing lock mechanism. There is also a hardened steel lock body. This Lock and Chain are bright green to act as a visual deterrent and has a sleeve around the chain to protect the bikes wheels and paintwork. The Bike-It Mammoth has a MCN Magazine 5 Star Value Rating.The Bike-It Mammoth Junior 2