70929877 Keystone Dual Point Sliding Door Lock for Patio Doors – Surface Mount

The Rockwell Keystone dual point mortise lock is compatible with all Rockwell sliding Door handles

The Keystone has a built-in mishandling anti-slam device in its collapsible hooks

It also easily upgrades single point locks with very minor changes to the mortise.

The Keystone sliding patio door locks only requires a 45 degree turn to lock or unlock, a built in lock indicator with a compression hook.

Opposing hook orientation provides anti-lift security and laminated hooks ensures a load capacity of over 2,000 lbs.

Available in All Stainless Steel for the toughest coastal applications

MATERIAL AND FINISH: 300 Series Stainless Steel or Heavy Gauge steel with zinc dichromate finish per ASTM-B633

Load Capacity: Over 2,000 lbs.