Schacht offers slim and regular double-bobbin boat shuttles which are ideal for doubled weft threads. Two separate bobbin shafts make it possible to remove one bobbin at a time.

The 'Regular' is 15½" long, 1⅞" wide, 1¼" high and weighs about 6 oz. The 'Slim' is 15½" long, 1⅝" wide, 1" high and weighs about 4½ oz. Shuttles come without bobbins, use 4" plastic bobbins (SH5104)