The Model 1275 Offset Disc - If primary tillage and forage breaking are part of your needs, then the 1275 disc with 650 lbs./ft., is an excellent choice. An 8” x 4” x 3/8” frame bears the weight of this heavy duty performer. The 1275 disc is available in 10½” or 12” spacings for an average weight per blade of 273 lbs. and 306 lbs. respectively. A full range of blade sizes are offered in order to meet any requirement. 26” blades are available in notched or notched cone configurations with a choice of either 5/16” (8mm) or 3/8” (9mm) thickness for strong long wearing discs. 28” blades are notched 3/8” (9mm) thick and available on 12” spacing (not available with stone-flex hangers). Working widths range from 6’ to 20’.