These are USA manufactured hi-performance 1541 forged induction heat treated alloy axles supplied with cut splines and 10mm heavy duty flanges. Drilled to suit your stud pattern with an option of 7/16″, 1/2″, 5/8″, M12 & M14 press in wheel studs or1/2″, M12 & 5/8″ screw in studs

D-40L-AXLE-1/2 – AXLE FLANGED USA DUTCHMAN 1541 40 SPLINE (45.00mm) ACCESS HOLE (SUIT 1/2″ SCREW IN STUDS) – EACH

D-40L-AXLE-5/8 – AXLE FLANGED USA DUTCHMAN 1541 40 SPLINE (45.00mm) ACCESS HOLE (SUIT 5/8″ SCREW IN STUDS) – EACH