AMMCO Ammco 6999 Tool Bit Negative Rake Tool Bit Set

For Models 4000, 4100 and 7500. Virtually eliminates ringing vibrations that can occur when machining solid rotors. Adjustable and replaceable pads are made of tough friction material. The heavy puck on which each pad snaps provides necessary mass to prevent vibration from developing. May also be used to dampen ventilated rotors. See part number AMM-9183 for replacement pads. Item Weight - 7.120 lbs. Case Quantity - 1.