Compatible Model: These impeller screws are designed for 180 and 280 pool cleaners. Part number C-55 C55. Durable: Made of ABS and PC material, proves to be durable since the system works every day. Work like new: white impeller screws always break after exposure to pool chemicals make them brittle. Pack of 6 plastic impeller bolts and 6 washers replacement for pool cleaner. Easy Installation: No hassle installing this replacement impeller bolt set or problems with these screws installed on your pool cleaner . Compatible Model: These impeller screws are designed for 180 and 280 pool cleaners. Part number C-55 C55. Durable: Made of ABS and PC material, proves to be durable as the system works every day. Work like new: White wheel screws always break after exposure to pool chemicals make them fragile. Pool Cleaner Replacement Kit: You will get 6 replacement plastic impeller screws and 6 washers for pool cleaner. Easy Installation: No problem to install this replacement wheel screw set or problems with these screws installed on your pool cleaner. Features: Material: ABS + Polycarbonate. Color: white. Size (approx.): screws: 2.2 x 1.8 x 0.8 cm (bottom diameter x top diameter x height). Washers : 2.7 x 0.8 cm (outer diameter x inner diameter). Contents: 6 screws. 6 washers.