Feature●Swap out your worn or damaged prop with a Kasco replacement propeller, specifically designed for the 1/2HP De-icer.●This 1/2HP De-icer Prop features a 1/2in shaft with a 1/2-20 right-hand thread, measures 7.06 inches in length, and has 2 blades. The unit itself is not included.●De-icer Propellers are custom engineered from UV-resistant thermoplastic, ensuring both strength and flexibility.●Kasco De-icer propellers are designed to deliver optimal performance in icy conditions and are compatible in saltwater applications.●Replacement propellers are reverse threaded for easy installation.Description This 1/2HP De-icer Replacement Propeller is compatible with the following De-icer part numbers: 2400D025, 2400D050, 2400D100, 2400D150, and 2400D200. Use this prop to replace your old or broken De-icer propeller to keep your unit operating at its best. Kasco De-icers are designed to create an ice-free area at the waters surface by pulling warmer water up. This protects boats, dock, and other in-water structures from damaging ice build-up and keeps fish and other aquatic species healthy throughout the winter by allowing for open areas where oxygen can enter the water.