Yale Locks 81 Rollerbolt Nightlatch 60mm Backset DMG Finish Box mpn_SUP-857C Suitable for use with

Suitable for use with

Blue Heat Shrink Butt Connector

Fully insulated to VDE and EN 60900 standards to protect from electric shocks up to 1500V DC and 1000V AC

Twin dynamic spring struts

Yale Locks 81 Rollerbolt Nightlatch 60mm Backset DMG Finish Box mpn_SUP-857C Suitable for use withThe Yale 81 rollerbolt nightlatch front door lock has a rollerbolt for push pull action making it ideal to prevent accidental lock out. Ideal for communal or flat entrance doors. It is opened by a key from the outside and a turn handle operation from inside. The 81 rollerbolt nightlatch has a 60mm backset, this is the measurement from the edge of the door to the centre of the keyhole. Locks with a 40mm backset are normally used where there is