SPECIAL ORDER Quick view Rotary Corp Sensation (True Cut) and Fits Bobcat Blade Adapter Assembly No.2 Blade Rotary Corp brand aftermarket product. For 7/8" crankshaft. Has 5/32" keyway. Uses 1-3/4" Blade bolt. Used on 3-1/2" & 4 hp engines. Lowers blade 9/16".For 7/8" crankshaft. Has 5/32" keyway. Uses 1-3/4" Blade bolt. Used on 3-1/2" & 4 hp engines... $26.13 Add to Cart