They are designed to cut and overcast the edge of the carpet to prevent fraying. They are available with or without pullers. Carpet binders are made to sew a long tape on the edge of the carpet. This may be accomplished with a zig-zag double lock stitch or a lock stitch. The machine may be a portable or a table model.
Most binders have single or double pullers.
Carpet cutters are made to cut carpet either on the floor or as smaller single hand-held portables for the job site. Carpet carvers may be either electric powered or air driven. They are used to bevel or to carve highlights in carpets. They are a useful tool for creative work. Carpet bevelers and shearers are also available as well as a variety of other specialized carpet equipment.