Truth 40049 Rear Mount Casement Operator, 9-1/2" Arm, LH - 55123-L Color:White It serves as the upper

It serves as the upper lock case for the deadbolt function only

The extended

For the exterior

Faceplate Width: 16mm

Handed: Left (as shown in product images)

Truth 40049 Rear Mount Casement Operator, 9-1/2" Arm, LH - 55123-L Color:White It serves as the upperTruth 40049 Rear Mount Casement Window Operator 9 1 2" Single Arm, Left Hand This is a left hand rear mount casement window operator with a single arm design. It is commonly used on casement windows where the operator is mounted behind the sash on the window frame. The arm measures 9 1 2" (241. 3mm) in length, and the distance from the housing to the center of the arm button is 6 11 16" (169. 9mm). The metal button on the arm is 9 16" (14. 3mm) in