Standard Abrasives Motorsports Division now offers professional engine builders and tuners a handy assortment of accessories for die-grinders and drill motors that will facilitate porting, polishing and prepping engines. The kit, No.260007, contains mandrels, cartridge rolls, cross-buffs and flap wheels designed for use in the tight confines of smaller displacement engines. The 41-piece kit comes in a handy, compartmentalize clear plastic carrying case that measures little more than 8" x 4" x 1-1/4" and will fit in most any tool storage box.