144 Black/White Prewound U Style Bobbins Thread Size 69 Nylon Tex-70

Paper-Sided U Style Nylon Prewound Bobbins.

Prewound Style U bobbins are normally used in mid-sized and large commercial machines without a bobbin case for sewing heavy fabric, canvas, upholstery, and leather. Available in black or white.

100% nylon filament BNT69 (Tex-70) thread
62 yards per bobbin
Bobbin size: U
Paper-sided bobbins
Fits industrial sewing machine using the U size bobbins
Color: Black or White
144 Bobbins per box