Tread Builder - (Precured) Direct driven machine for building and stitching pre-cured treads. Electricity controlled DC motor drive for forward/reverse with various speed controls. Two stage stitching for gum and tread. Standards with manual tread cutter and gum let-off. Handles tyres from 12" to 24". Standard manual cutter and optional pneumatic cutter. Multi-functional: Apply cushion and tread, cut,stitch and apply envelop, dual stitching pressure.