CONSTRUCTED WITH A VERY DURABLE AND MASSIVE SPECIAL PLASTIC RESIN SO IT WILL NOT CRACK OR BREAK IF DROP. THREE ROTATING BRUSHES, TWO SIDE CLEANING PLATES, AN OVERSIZED MAGNET AND A 30 DEGREE DESIGN RESULTS IN A CHAIN ​​CLEANING ACTION UNMATCHED IN TERMS OF EFFECTIVENESS, SIMPLICITY AND QUICKNESS. SET INCLUDES 4OZ (120ML) MULTI-DEGREAER AND 2OZ (60ML) CHAIN ​​LUBRICANT.