Steelman 18241 1/4-Inch Carbide Double Cut Burr for Tire Repair Dressing REMOVE DEBRIS - Used to remove debris and clean out the channel of damage caused during a tire puncture CREATE A UNIFORM CHANNEL - Creates a clean, smooth, and uniform 1/4-inch wide channel for a better seal when using tire repair plug stems and stem patches USE WITH ADAPTER - Designed to be used in partner with the STEELMAN SLP9215 3/8-inch drive adapter in a low speed buffer tool DURABLE CARBIDE STEEL - The burr is made of durable carbide steel to stand up to hard use DOUBLE CUT DESIGN - Double cut design of the burr tip allows it to cut on both insertion and removal strokes during tire repair REPAIR LARGER INJURIES - Can be used to repair tire injuries larger than 1/8-inch up to the RMA recommended maximum of 1/4-inch