Product Review

The Aluminum Mini-Rocket is a unique outside diameter caliper created and manufactured by Oregon Rule Co. The Aluminum Mini-Rocket is a tool often useful to Engineers, Draftsmen, Pipe-fitters, Contractors, Carpenters, Plumbers, and related industries. This is a fractional measuring unit, which reads in inches. This Aluminum Mini-Rocket can measure pipe sizes up to 6.5" in diameter. The unique tapered swing arm measures interior pipe diameters up to 1.7" across. A handy 4" ruler is provided on the other edge. A conversion chart printed on the caliper translates measurements of the outside diameter to the nominal interior diameter dimension. These calipers are made from a durable lightweight black anodized aluminum. This item comes packaged in its own storage pouch.

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