7867 Edco 4 Shaft Scarifier Cutters by Edco Cutter Description CP408-TV 8 Point, Tungsten Carbide3 1/8″ OD x 1 3/16″ ID x 5/16″ Thick CP405-P 15 Point Pointed, Steel3″ OD x 1″ ID x 3/16″ Thick CP405 15 Point Flat Tip,Steel3″ OD x 1″ ID x 3/16″ Thick . Posted in Edco, Edco Scarifier & Scabblers, Shop by Brand