Split arm operator left and right hand 4 15/16

Thanks for reaching out! Your casement operator appears to be our 39-220B. The opposite handed version is part 39-221B. To determine that this is the replacement balance you'll need, carefully compare the dimensions below.

These operators are compatible with the 39-375 and 39-376 folding handle and cover kits as well as the 39-451 and 39-452 non-folding handle and cover kits.

Detail of 39-220B