This is a carbide-tipped blade for use on Crain Model #800, #810 super saws. It has 40 carbide teeth to produce a smooth cut and long life. When cutting flush to the floor, the blade thickness produces a cut with just the right height for fitting vinyl floors underneath. Arbor hole is precision countersunk for flush mounting the blade screw. Body includes two drive holes for accepting the two nubs on the blade driver for these model saws. For use in cutting wood only. Net weight 10 oz.