Introducing the Squire Hamerhead Combination D-Lock with Mounting Bracket. This Burly D-Lock is a keyless combination lock that will put off the most experienced of bike thieves. The lock has 6 combination wheels which give it a possible 1 million different combinations. The Combination wheels are also recodable so you can keep changing your lock code which adds an extra sense of security to your lock & also gives you a stable piece of mind that your bike is alright. The head of the lock is constructed from armoured steel for solid protection & longevity. The Shackle is constructed from the same armoured steel & has an octagonal sleeve which gives off less grip & catching points for machine powered tools to cut. The lock is provided with a mounting bracket which means that you can fasten the lock to the frame of your bike when you are cycling. The Hammerhead Lock has its Sold Secure accreditation in the mists & has its own security rating of 15. Coming in two different shackle lengths, 230mm & 290mm, the Hammerhead will fit most bikes frames for mounting purposes & will protect your bike until the very end.