General description High strength plastic three-blade propeller designed for electric outboard motors. This propeller efficiently chops through weeds, enhancing speed without tangling in shallow waters or vegetation. Technical specifications Inner Hole Diameter: 1 cm (0.39 inch) Diameter: 21 cm Material: Plastic Color: Black Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with ET44L, ET54L, D65 electric/trolling motors Includes installation nut, sheer pin, and spanner for propeller change and installation Other information Note: Light and different displays may cause the color of the item in the picture to differ slightly from the actual product.