Right Hand (Egress) Casement Hinge Assembled 10"[14.77.00.260]
The 14 Series Casement Hinges are composed of stainless steel tracks, E-Gard coated support arms, brass studs and stainless steel reinforcing
insert in Delrin shoe. The #14.77 is a 10" egress hinge. This means the sash opens closer to the frame allowing more space for getting out. (See page 3, figure 1 of the product specification documentation)
For additional assistance with installation or tips on choosing the right part, always refer to the product specifications documentation.