Spyder 600869P 1/2-in Rapid Core Eject Quick Change Steel Hole Saw Arbor Digital Tools Cutting inserts are easily replaced

Cutting inserts are easily replaced by removing 3 screws per blade

Electronic controller provides constant speed control which automatically applies additional power to the motor to maintain speed under load

Soft material blade for cutting asphalt

Dimensions (LxWxH) :9-3/4" x 11-7/8" x 14-1/4"

The guide is designed to work with the Makita plunge circular saw and corresponding rails

Spyder 600869P 1/2-in Rapid Core Eject Quick Change Steel Hole Saw Arbor Digital Tools Cutting inserts are easily replacedSpyder's Rapid Core Eject arbor system to remove cores without prying drill hole, press button, pull back the hole saw, and eject the core up to 5x faster than standard hole saw arbors. Cut at an angle, and use two adapters (second adapter sold separately) on one pilot bit to enlarge existing holes. All Hex8 Spyder hole saws fit on Spyder Rapid Core Eject arbor pilot bits, or use your favorite hole saw (with a 5 8 18 thread) with the Spyder Rapid Core