HOLEMASTER Hole Drilling Tool

The New HoleMaster is lighter, easier and faster than previous models
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FEATURES
•Cut up to 2" holes in up to 4" diameter pipe.
•Patented Quick-Change Interchangeable Hole Guides
•Four Leveling Vials
•Perfect for waterflow detectors, mechanical tees and weld-o-lets
•Designed to be used with ARGCO Hole Saws
BENEFITS:
•Easier to cut a straight hole, especially on a ladder
•31% Lighter than other brands
•Quick change guides make is much faster to drill different size holes
INCLUDES:
Holemaster Clamp and Guide Head with four levels
Six Bi-Metal Hole Saws with interchangeable Hole Saw Guides: 1”, 1-3/16”, 1-1/4”, 1-1/2”, 1-3/4” 2”
Two Arbors, Two Pilot Bits
Two Replacement Leveling Vials
Carrying Case
US Patent No. D947,639

[@fitter5423]

Same thing as a pilot clamp.

[@seanboulden6426]

Seems to be improved. I like the idea of being able to swap out the guide sleeve without having to take the clamp off the pipe. Hole too small? No problem! Plus, if I'm understanding this correctly, this one can be used on a 4" pipe. The one I have maxes out on 3" pipe