Double Tracing Wheel. The adjustable width ranges between 10 and 30 mm.
Clover - Deluxe Double Tracing Wheel, Adjustable 487/W
Clover Double Tracing Wheel for pattern tracing with adjustable seam allowances
Clover Tracing Wheel, Double Tracing Wheel Or Clover Buttonhole Cutter
Clover Blunt Edge Tracing Wheel
Clover Serrated Edge Tracing Wheel
Vintage dressmaker's single / double adjustable tracing wheel - Konotex
