Lenox 30266 4-1/8" Bi-Metal Hole Saw USA KD Tools It also has J slots

It also has J slots  to control the heat around the perimeter and reduce noise

upholstery

Bernzomatic SI-15B Cordless 15W Soldering Iron

This results in a durable tool that provides a good

7/3 bn added live photo

Lenox 30266 4-1/8" Bi-Metal Hole Saw USA KD Tools It also has J slotsLenox Bi Metal Hole Saw: 4 1 8" About: Designed for cutting ceramic tile and stainless steel LONG TOOL LIFE Heat resistant carbide teeth for long life in tile and stainless steel ADDED DURABILITY Thick backing plate resists damage and increases life UNIQUE TOOTH CONFIGURATION Engineered design provides ability to cut in stainless steel like no other USE STANDARD ARBOR OR SNAP BACK ARBOR BOX SAYS CARBIDE TIPPED BUT HOLE SAW SAYS BI METAL IN THE BOX If