Cartridge Replacement Kit, Spring loaded, LH, Grip Handleset

Trillenium Cartridge for New style Eclipse, Pinnacle, Curved & Rectangular lever sets used with Grip Exterior Entrance handles

Handed: Yes, Viewed from INSIDE The House

if the hinges are on the Left, it is a Left Hand Cartridge

Screw Holes: 1-5/8 inch 

NOTE: 

This fits the new Style, redesigned in 2012

The old style Interior lever used the Round Bushing Kit # 40050