OREGON REPLACEMENT PARTS, MTD SNOW BLOWER SHEAR BOLTS, NEW OLD STOCK ,10 PACK , part #80-743 replaces MTD part #710-0890 and #910-0890. The bolts are 5/16 X 1 1/2 long, they fit all 400, 500, 600 and 700 series snow blowers. MTD makes many lines of equipment, Troy-Bilt, Bolins, Cub Cadet, White Outdoor, Remington and more. Condition is "New".