Guide Plate for 3-1/2" Thin Wall Core Bit - Milwaukee Electric Tools

Features and Benefits: ?Custom sizing: Use with Milwaukee Thin Wall 3-1/2" Core Bit (48-20-5050) and centering pin (48-20-6155) ?Increased drilling precision: Reduces bit walk and improves bit stability Use for starting a 1-1/4 in. hole drill to a depth of approximately 1/4 in., stop hammer, remove guide plate and center pin. Place core bit back into the grooved area and resume drilling to required depth of hole. Adds bit stability and reduces bit walk.