The WHLAXLE1K axle is a FLANGE style axle made of 6061-T6 AL alloy. This axle has a 1.25 inch diameter bearing surface. The axle has 1.375 inch spacing between the four 0.25 inch bolt holes on a square pattern. This axle assembly comes with the AN1H axle nut and the SP-A1i spacer. This axle is used with the MHE6B1.25 with the MHESLK-KIT spacer kit for use with 15×6-6 tires and wider. (The MHESLK-KIT comes with this axle)
Matco Aircraft Landing Systems axles that are aluminum are black anodized and steel axles are yellow zinc.