The Original Pella Sliding Door handle was used from 1967 - 1990 was discontinued in 2023
May be Replaced with 14587 Non-Keyed or 14588 Keyed - This handle set will be inverted when installing 
Optional replacement 14291 Non Keyed or 14293 Keyed - However, will not cover all marks from old handle.
Notes:
1. May reuse the existing Mortise lock with either handle set
2. Keyed or non-keyed handle sets fit the same way
3. Will need to drill new installation screw holes to connect inside and outside pulls

Pella Original Specs
Door Thickness: 1-3/4 inch 
Mounting Escutcheon Plate: 1-1/8 x 7-1/4
Thumb Latch Position: 1-3/16 up from bottom screw hole
Screw Hole Spacing: 6-13/16 inch 
Handed: Yes, thumb Latch for left or right hand doors
Handle Set Color: Copperite 

Replacement Handle Specs 14587 OR 14588
Door Thickness: 1-3/4 inch 
Mounting Escutcheon Plate: 1-1/4 x 12
Screw Hole Center: 7-1/4 inch