Abrasive Cartridge Roll 120 piece professional kit . approximately 120 abrasive pieces of P80 and P120 grit in roll form . Ideal for professional cylinder head porting, manifold matching and brilliant in tight spaces .
The mandrels are both 6mm shank for industry standard tools One long + one short mandrel gives you a decent fitting holder on the long and short rolls The rolls themselves screw onto the the mandrel and tighten up with the direction of rotation to the tool , they can easily be swapped back of for a different size over and over again .