81 Rollerbolt Nightlatch 60mm Backset DMG Finish Box deep This Stanley module contains 10

This Stanley module contains 10 Offset Double Ring Spanners

For additional security there is a combination lock

The DM-100 is rated for industrial use (CAT III-1000V and IV-600V)

1 x Double Worm Screw

Weight: 2100g (4 1/2 lb)

81 Rollerbolt Nightlatch 60mm Backset DMG Finish Box deep This Stanley module contains 10The 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