Increase your precision in masonry and concrete drilling with the Milwaukee® guide plate for thick wall core bit. You'll see reduced bit walk and improved bit stability when you use Milwaukee's durable plastic guide plate and centering pin (not included) for starting holes with your SDS plus rotary hammer drill.

• Increased drilling precision: reduces bit walk and improves bit stability
• Custom sizing: use with Milwaukee thick wall 4 in. core bit (48-20-5155) and centering pin (48-20-5199)
• Use with 48-20-5199 centering pin
• For bit stability - reduces bit walk