Pella Pro Line Series Double Hung Window Sash Lock.
Sash Lock: Screw Holes offset, 1-7/8 inch with Pella Logo.
Keeper: angled screw holes spaced at 2-1/16 inch
Includes: Sash Lock, Keeper and screws
Colors: White, Champagne, Oil Rubbed Bronze
Sash lock appears to be the same as Truth Entrygard 50103