Profile: Supertek Scafform is a supplier of dual purpose swivel coupler & double coupler, staircase coupler, putlog coupler, pressed swivel coupler, adjustable base jacks, and scaffolding walkway plank. We offer a large variety of standard vertical cuplocks in diverse sizes so that it can be easier for support as well as access. In addition, the confined upper cups are produced from flexible casting or SG iron casting which lasts coarse site handling. The welded bottom cups are made of profound strained steel.