http://www.saundersonsecurity.co.uk/acatalog/Bulldog_Lock_Bolt_175mm_SA1C.html
175mm. 7" to me and you, try and find the key and then flog it on ebay..![]()
So how do they work?
There appears to be no moving parts that operate to secure two separate items together. Have watched a video but when it is put through the hole what 'locks' it in place?