Easy-to-use kit that allows for fast removal/replacement of prop. Requires crescent wrench for installation. Use on the Max 101's and it does not have a drive pin in the kit. 4" diameter and 1/2" armature.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov