The JM560SL, JM546SL offer 5 lever security in a sliding door situation. Their dimensions are the same as the standard 5 lever locks except that a brass hook bolt replaces the latch bolt. The bottom bolt serves to secure the door from vertical movement. Locks can be Keyed Alike.
 
Hook Stays Up Variant: the hook will stay up when the door is unlocked, on the standard it will drop down again.
 
Keys included: 2
Keyed alike or random keyed (assumed keyed alike for multiple quantities).
 
MATERIALS 
Cases: Galvanneal
Bolts: Brass 
Pins: Brass
Kits: Brass or Stainless Steel
Levers: 5 Brass Open Ended Pick Resisting
Differs: Approximately 320
Key Blanks: No. 747
 
Made in Tasmania, Australia
 
Also, for rebated double doors you will need to purchase the rebated variant of this lock rather than this one for single & non-rebated double doors, click here (JM560SLR) to view this item.