New Old Stock Bison 5" 4 Jaw Self Centering Lathe Scroll Chuck Flat back # 3604-5" Starrett It has the same specs

It has the same specs as BISON

Some boxes may have light scuffs from warehouse storage

Recommended for tough milling jobs including stainless steel

5 mm on soft wire (300 mm model)

the foam in the box is starting to deteriorate from decades of storage

New Old Stock Bison 5" 4 Jaw Self Centering Lathe Scroll Chuck Flat back # 3604-5" Starrett It has the same specsNew Old Stock Bison 5" 4 Jaw Self Centering Scroll Chuck Flat back. Part number: 3604 5". Made in Poland. The boxes are in rough shape but the chucks are new and perfect! From Manufacturer: 4 Jaw Scroll Chuck with solid Hard Reversible Jaws Semi Steel body 3 Pinion design Plain back chucks