Hoppe Dallas Series Sliding Door Handle for HLS9000 Multipoint Locking System. It is a right hand active with a keyed US cylinder.
 

Hoppe Dallas Keyed Sliding Door Handle Set - HLS9000 Gears RH 1-3/4" Panel, Matte Black

This handle set was created for 1-3/4" thick doors. If your door panels are thicker than 1-3/4", it is recommended that you reach out to your sales representative for further help.

Measurements:
Overall Length: 13"
Additional measurements are available on image 2.

Handed: Yes 
Left or Right: Right
Active or Inactive: Active (Keyed)
Color: Matte Black

Priced and Sold Each.