Manufacture by C.S. Osborne & Co. Lower clamp securely holds zipper jig to your counter. Upper clamp is used for locking jig rod in any direction.
Campbell Randall
Zipper Jig Osborne No. 1014 by C.S. Osborne : Tools & Home Improvement
C.S. Osborne & Co. No. 404 Spring End Former - Österreich
C.S. Osborne Zipper Jig #1014 Leatherwork & Upholstery Tools - Cutex Sewing Supplies
How to Use the Zipper Helper / Zipper Jig - Easiest Way I've found!
Upholstery Tools & Equipment, Home Arts & Crafts, Crafts - PicClick
C.S. Osborne 1012 Zipper Stop Pliers
C.S. Osborne Tools – Tagged Round Hole Punches– Maker's Leather Supply
C.S. Osborne Leather Tools