1-1/4" 1.25" Diameter AXLE, ALUMINUM TUBE, 40" LENGTH, 1-1/4" OD, .195 WALL, GOLD ANODIZED Centerless ground. Two keyways each running half the length of the axle are offset 180 degrees and stop 1/4" before the snap ring grooves at each end. Gold anodized. Snap rings included. Strong & lightweight.