E.L. Simeth
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Proudly Serving the MidWest


Rentapen Inc. is a leader in weld fixture design and build services, and manufacturer of RAPid Tooling Components™ and shim packs for positioning and locating tooling components and dies. Rentapen has expanded significantly since its founding in 1976 and focuses on providing excellent products with zero defects. Rentapen has incorporated significant cost-saving procedures within the weld fixture industry and continues to manufacture superior products.

E.L. Simeth is proud to serve as one of only a few distributors of the Rentapen line of weld fixture shims; rapid tooling components such as weld tooling blocks, plates and clamp risers; die shims; and NAAMS shim packs. With our specialized offerings in these fixture components, E.L. Simeth can offer top-quality products along with expertise to solve our customers’ unique needs.

We also provide application engineering assistance – you can reach us at

Rent a Pen

  • Rapid Blocks for Weld Fixtures
  • Rapid Plates for Weld Fixtures
  • Rapid Risers for Weld Fixtures
  • Rapid Shims for Weld Fixtures





RA Pid Tooling Components Catalog

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