Dimensions: 30mm x 30mm Can be used with an Anvil euro or espag. lock handles and in conjunction with a euro sash lock or multi-point lock. BS 1* kitemarked to TS007 and secure by design approved. Sacrificial cut line/anti-bump/anti-drill/anti-pick Euro profile thumbturn cylinders offer a key access from the outside and a thumbturn from the inside meaning there is no need for a key when locking this door internally. Product is supplied with 3 keys and is 'Keyed to Differ'.