Shrink Rule - Pratt And Whitney - 1/10" To The Foot Shrink

US $30.00

  • Tucson, Arizona, United States
  • Jan 30th
Pratt and Whitney Shrink Rule 1/10" to the foot shrink. This is 1 foot long. Used but in excellent condition. Shrink rules are used by patternmakers to construct a properly sized pattern for the metal to be cast. You use the shrink rule to make all the parts of the pattern, for a metal that will shrink 1/10" per foot when cooling, and the rule is made so that the casting comes out the perfect size. Shrink rules eliminate the need for calculating all the dimensions and sizes based on the shrinkage of the cast metal. They make producing a pattern fast and easy. Rule is stamped with a previous owner's initials "RO"
Condition Used :
An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections.
Seller Notes Used, but in excellent condition and fully legible.

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