Dimensions: 45mm x 45mm Can be used with an Anvil euro or espag. lock handles and in conjunction with a euro sash lock or multi-point lock. A standard 5 pin euro cylinder. Tested to BS1303 and is "Anti Pick", "Anti Snap" and "Anti Bump". Product is supplied with 3 keys and is 'Keyed Alike' - more than one cylinder can be operated with the same key.