1-1/2" SQ X 79-7/8" AXLE FOR AMCOFor 9 blade, 9" spacing. Threaded both ends, uses 1 1 2" 12 full nut and 1 1 2" 12 slotted nut., 5 16" holes drilled 1 2" from each end. Replaces Amco 9445 Brand FOR AMCO For Axle Size 1 1 2 Inch Square Length Range 76+ Inches Product Category Disc Axle Product Type Square Axle Size 1 1 2 Inch Thread Length 1 1 2 Inch Usable Length 79. 875 Inch