SPECIAL ORDER: 10+ Quick view Rotary Corp Sensation (True Cut) And Fits Bobcat Blade Adapter Assembly No.2 Blade 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... $31.95 $23.69 Add to Cart