SPYDER 600102CF 4-1/8″ Bi-Metal Hole Saw (RCE HOLE SAW, BIM, 4-1/8") S3R This makes Whisper a versatile

This makes Whisper a versatile tool which can even be used in noisy environments

Innovative push-to-connect design makes for quick and easy installation

9V battery (installed)

Normally closed 30 Amp contacts

SPYDER 600102CF 4-1/8″ Bi-Metal Hole Saw (RCE HOLE SAW, BIM, 4-1/8") S3R This makes Whisper a versatileSPYDER 600102CF 4 1 8 Bi Metal Hole Saw (RCE HOLE SAW, BIM, 4 1 8") Tough Bi Metal Steel for Long Life. Variable tooth pitch guarantees a fast and clean cut through all thicknesses. Creates smooth cuts in steel, stainless steel, aluminum, nail embedded wood, non ferrous metal, plastics PVC and more. Up to 1 7 8 Depth of Cut. Utilizes Rapid Core Eject Arbor System rapidly eject the core, quickly change diameter, cut at an angle, and enlarge existing