SB-107(B) : Bobbin.

Bobbin : Steel, Black finish. Bobbin winder locating cut and holes drilled both sides .

Diameter = 25mm : Width = 7.5mm : Centre Hole Diam = 6.0mm

Supply Quantity = 10 Bobbins

SB-107(C) : Bobbin.

Bobbin : Steel with Nickel Plating. Bobbin winder locating cut and holes drilled both sides.

Diameter = 25.1mm : Width = 7.5mm : Centre Hole Diam = 6.0mm

Supply Quantity = 10 Bobbins

SB-AL-457 : Bobbin.

Bobbin : Aluminium with bevelled sides

Diameter = 25mm : Width = 7.6mm : Centre Hole Diam = 6.0mm

Supply Quantity = 6 Bobbins