Wheels Manufacturing Axle-04 QR Rear Axle, 10mm x 1mm x 146mm Shimano Bike Hub Per the Wheels Manufacturing Website: QR Rear Axle, 10mm x 1mm x 146mm Wheels Mfg axles are made from aircraft quality 4130 alloy steel, made specifically for Wheels Mfg. It’s heat-treated to increase strength without making the axle brittle. Rolled threads make for easy assembly of cones & locknuts. Fits many Shimano / Japanese rear hubs with 135mm spacing Hollow Axle 1 axle per bag Threads: 10mm x 1 Diameter: 10mm Length: 146mm Type: Quick Release For use in 135mm spaced rear quick release hubs. I bought this for a bike I no longer have and found it in my parts supply recently. Trying to pass it on to someone else that needs it at a fraction of the price. In package. What you see is what is included. Shipped in a packed mailer envelope, but if this axles can survive your bike, it can survive the mail service.