For Installing: Reverse Osmosis Systems Hot-Water Dispensers Spa Jets in pre-existing bathtubs
Drill through porcelain and cast iron with pilot bit
Drill through porcelain only with spring-loaded saw
Drill through cast iron with finish saw
Relton Porcelain Cutter Kits are designed with the Finish Saw 1/8" smaller in diameter than the Porcelain Saw. The Finish Saw diameter is used to determine which kit should be purchased