Pella SkyLight SlimShade Operator 2" handle extension with Screw

Part number - 0DK6 

Overall Length 2 5/16", 

Outer Diameter 7/16"

Male Spline Length 5/16"

Male Spline Diameter 9/32, 

Female Side Diameter 5/16" 

Color is Off White or Light Putty

New in OEM Package.