Universal joints are made from chrome alloy steel for added strength and have an easy to clean
other sources of ignition
Flat bottom design for a good grip
Shatterproof Polycarbonate Lenses
Temperature range -50°F to 500°F
SM Products 2-1/8″ Tungsten Carbide Tipped Hole Saw Size:2-1/8″ Universal joints are made fromExtreme material versatility and faster cuts up to 10x more cuts and up to 5x faster than standard bi metal hole saws Spyders Rapid Core Eject arbor system ejects cores without prying, quickly changes diameter, cuts at an angle, and enlarges existing holes Drill wood, MDF, plywood, fiber cement board, porous concrete block, some brick, ceramic wall tile, plastic, PVC and more Up to 10x more cuts than bi metal hole saws Up to 5x faster than standard