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 makes 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 . Product Description Description: Compatible Model: These impeller bolts 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 bolts always break after exposure to pool chemicals make them brittle. Pool Cleaner Replacement Kit: You will get 6 plastic impeller screws and 6 replacement pool cleaner washers. > Easy Installation: No hassle installing this replacement wheel screw set or problems with these screws installed on your pool cleaner. Features: Material Material: ABS + Polycarbonate. Color: White. Size (Approx.): Screw: 2.2 x 1.8 x 0.8cm (Bottom Diameter x Upper Diameter x Height ). Washers: 2.7 x 0.8 cm (outer diameter x inner diameter). Contents: 6 screws. 6 pucks.