Spyder 2-1/2″ Tarantula™ Hole Saw Size:2-1/2″ This two in one relief

This two in one relief valve provides a proven and cost effective means to protect against excessive temperature and pressure emergency conditions

Cobalt infused tungsten carbide

9% pure electrolytic copper coating

anchoring & patching cement

Ready-to-use waterproofing membrane

Spyder 2-1/2″ Tarantula™ Hole Saw Size:2-1/2″ This two in one reliefSpyders carbide tipped Tarantula hole saws cut the toughest materials including steel, stainless steel, nail embedded wood, fiber cement board, plastics, and more. Durable tungsten carbide cutting teeth make up to 50x more cuts than conventional bi metal hole saws, and they are up to 10x faster cutting through the toughest materials and extending bit life. Use with Spyders Rapid Core Eject arbor system to remove cores without prying (drill hole, press