Description: The cylinder piston kit is strong and durable enough to last a long time. The chainsaw cylinder piston is compatible with Husqvarna 445 445E 450 450E JONSERED CS2245 CS2245S CS2250. It is reliable and safe to use, and can be directly replaced with old or damaged accessories. Features: Cylinder Piston Kit -Color: Black -Material: Plastic, metal -Size: Piston diameter: 44MM/1.73 inch. Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Including 1* Cylinder 1* Piston 1* Pin 1* Ring 2* Circlips