Truth 15.10 Dual Arm Casement Operator, Surface mount hardware used by Bilt Best, Windsor, Vetter, Pozzi, Shelter & other wood windows.

Arm Type: Dual Arm - Straight Arm, No Offset, Split arm with Link
Long Arm Length: 10-1/2 inches; center of operator to center of button
Short Arm Length: 4-7/16 Inch; offset link in an upward direction (see image 2)

Roller Material: Nylon 
Roller Size: 9/16 Diameter; 3/16 thick
Handing: Left Handed, as shown in picture (Handing is determined by the side the hinge is on, as viewed from Outside.)
Right handed operator: 55054.
Standard Color/Finish: Mill / Stone Color - New E-Gard
Truth Casement Window Operator 15.16 Markings: 20810, 20544 or B on short Link
Crank Handle Spline: 11/32 Diameter
Spline Color: Gold for Right Hand Cranks - Silver for Left Hand

Sold Each, No Screws

Related Items:

Truth Cover Options (Not Included) 
- Standard Design: 55300 & 55301 
- Folding Handle and Cover: 55305

Truth Handle Options (Not Included) 
- Standard Design: 55311
- Folding Design: 55312 
- T-Type Design: 55313
- Round Design: 55316 
- Contour Design: 55317

Track Options (Not Included)
- 3-Hole Track: 55159
- 4-Hole Track:55160