Rentapen -- The Weld Fixture Specialists Providing Time Savings for Manufacturers through: Fixture Design Weld Tooling Components Precision Metal Shims and Shim Packs Rentapen serves to eliminate worries about getting the factory equipped in time; frustrations with finding and maintaining skilled engineering staff; and concerns over getting the quality needed. EXCELLENCE IN 3D DESIGN SERVICES Rentapen designs the machines used by manufacturers to produce their products. We specialize in Weld Fixtures and that makes us more efficient. RAPid Tooling Components™ (RTC) Don't design and build Blocks, Plates, Clamp Risers and Shims over and over again. Rentapen standardized on those items. Now Rentapen manufactures and sells those components. Engineers save time in designing fixtures with RTC. The machine shop saves time when RTC are used on a fixture. Rentapen has the reputation for on-time delivery. SHIMS Rentapen is the Shim King! We not only provide custom shims, die-sharpening shims & precision shim packs, we pack and label them for you, making it easier and faster for your assemblers.