Item Type: Propeller_x000D_ Material: Engineering Plastic_x000D_ The Pin Diameter: Approx. 3.9mm / 0.2in (Suitable For 160/200240/260/300 Pounds)_x000D_ Radius: Approx. 114.4mm / 4.5in (Rotating Pulp Leaf To Hole Center)_x000D_ Round Shaft Radius: Approx. 80.7mm / 3.2in_x000D_ Aperture: Approx. 12.5mm / 0.5in 1The propeller has the characteristics of fast 3 blade propeller and 2 blade anti winding. 2Special propellers for brush propellers are professionally manufactured, so there is no need to worry about mismatches. 3Made of high quality engineering plastic materials, durable and practical, it will have a long service life without intentional damage. 4The replacement operation is simple, no complicated installation tools and procedures are needed, just install and use. 5Can be used to replace old or damaged old parts, with good working performance. 1 x Propeller 4 x Accessory