The Makita Fiber Cement Shear (model JS8000, sold separately) is an ideal solution for cutting fiber cement products and select exterior siding products. If you’re using this model, get the right replacement parts with the Makita Shear Blade Assembly. The Assembly includes right, center and left blades and a complete cutting head. The blades are engineered for efficient cuts in high quality materials. The Assembly installs quickly and easily, and is constructed with high quality materials for long service life.