MIDKIT 90
Alignment brackets in nylon or aluminium; shock absorber dowels, cover caps and drainage bushings in nylon; central seal dowel in extruded aluminium; roller set with external support in nylon, internal support in galvanized steel and ball bearings in hardened steel coated in nylon with fiberglass. Handle body and plug in nylon, slider in nylon with fiberglass, galvanized steel lug, stainless steel retainer AISI441. Die-cast aluminium brackets. Roller set capacity: 90 kg per sash.