Features: CONSTRUCTED OF HIGH CARBON, DURABLE STRENGTH METAL WELD-RIDGED FRAME AVAILABLE WITH 16" OR 18" NOTCHED DISC BLADES 7 ½” DISC BLADE SPACINGS GREASABLE CAST IRON BEARINGS WITH ALIMITES LOW PROFILE GANG HANGERS (INSURES DURABILITY) SWAGED, FORGED, FULL 1" AXLES CATEGORY I, 3 POINT HITCH DESIGNED FOR TRACTORS UNDER 40 HP