The Railmaster cuts a perfect 4.25" diameter hole.
Key Features include:
• Solid one piece frame construction, keeps all moving parts very accurate
• Includes mid height carry handle to stop blades touching the ground and gives extra bracing to reduce flexing.
• Black Diamond toughened steel blades, guaranteed to be at least four times stronger than our nearest competitor.
• Bearing guide for parallel blade travel when cutting holes. Avoid "crowning" on plug removal.
• Depth stop adjuster locks solid, you can fix anywhere in 1/4" increments between 6" to 8" cut depth.