Features:
<br />1. Ideal for quadcopter propeller replacement as well as upgrade
<br />2. Uniquely designed blades produce a high lifting power
<br />3. Offer an enhanced overall efficiency so as to conserve battery power
<br />4. Tough construction resists shock and bump for ultra durability
<br />5. Easy to install
<br /> 
<br />Specifications:
<br />1. Suitable for: JXD 509W 509G
<br />2. Color: Black
<br />3. Dimensions: (3.15 x 1.97 x 0.39)" / (8 x 5 x 1)cm (L x W x H)
<br />4. Weight: 0.53oz / 15g
<br />
<br />Package Includes:
<br />2 x CW Blades
<br />2 x CCW Blades