Prop Nut Kit - MKP-34-Prop Nut Kit "E"--Prop No.: 1865019. Prop Nut E 80-101 lb. ThrustF E A T U R E S- Easy-to-use kit that allows for fast removal/replacement of prop. Available in three different sizes to fit Minn Kota prop dimensions (3/8", 1/2" and 5/16"). Includes prop nut and washer. Requires a crescent wrench for installation.