The B&H 2585 uses the same switch BUT with 2-different shaft lengths

we have a separate listing for the B&H 710662 with a 3-1/3" Shaft

Bell & Howell B&H 2585 16mm Projector Power Control Switch Part# 710660 * 3-1/2" Shaft

*NEW

Optech is a camera, projector , Tobin Cine Systems, and video sales and service / repair company in Andover MA , Since 1965