M2E4.2, Min Diam Retainer Extension, 3/8 Stud, 4.2-6.0"L

Min Diam Retainer Extension, 3/8 Stud, 4.2-6.0" Length For 75mm & 98mm Minimum Diameter Retainers Allows Use Of Shorter Length Motors Adjustable Length From 4.2-6.0 Inches Precision Machined 6061-T6 Aluminum With Mil-Spec Type II Red Anodizing 3/8-16 Stainless Steel Stud & 2 Stainless Steel Jam Nuts Attaches To Motors Forward Closure Just Slide Motor In And Screw Extension Onto Retainers Stud Mount, That`s It! (Aeropack)