Made of fiberglass reinforced nylon. Innovative design quickly and easily grips sponges, rags, cloths, chamois and mop heads by simply tightening the locking collar. Also holds the HANDI-BRUSH . Combined with an Unger telescopic pole, the Fixi becomes a high rise cleaning tool to solve many cleaning problems without climbing dangerous ladders. Use with many types of cleaning solvents and liquids. Attaches easily to all Unger Poles.