Thin Electric Prop: 10x6E
APCLP10060E 10X6 Electric Propeller by APCLightweight molded nylon construction reduces rotating mass for higher output and longer life. Reinforced carbon fibers help maintain true, constant pitch at any rpm.  6 pitch, .5in hub thickness, 10 inches long.  Includes five adapter rings that fit into propeller hub to allow for different motor shaft diameters.  Not to be used on gas or nitro engines.