Strange 3" Screw-In Stud Kit For Strange Axles (1/2"-20) (STA1026)1 2" 20 3" LONG SCREW IN WHEEL Includes Bolts And Washers (10 Of Each) Part Number: STA1026 Strange 1 2" stud kits are offered in 2" and 3" lengths. The stud length refers to the threaded portion of the stud; therefore, when determining the usable thread protruding through the axle, subtract a . 125" (washer) and the thickness of the axle flange. Strange 1 2" studs are designed to accept 1 2" 20 lug nuts (not included with kit).