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Rathburn Ring Stretcher

This ring enlarger tool allows you to easily stretch rings! The Rathburn fixture consists of two parts: a steel collet multi-stepped mandrel, and a tapered pin expander. Simply place the ring on the stepped collet, choose the size that the rings fits onto, then place the expansion collet onto the base. Then, insert the tapered pin rod and gently tap the tapered steel pin by using a mallet or hammer (light impact only). Make sure not to oversize the ring, as this could cause it to break apart. The mandrel can be removed by simply tapping the opposite end. Inspect for any solder joints that may break apart when stretching. Works well with bands. You may need to anneal to soften the ring to afford expansion of the metal. Generally, this tool fixture will not expand more than 1 finger size. *Please note that proper care must be taken whenever stretching a ring. Not to be used with stone set rings or thin shanks. • Ring Size Capacity: Standard U.S. sizes 8 to 16. • Steps on Collet Holder: 7; each having a width of 1/4"+. • Fixture Tool: Nylon Base, Stepped Collet Holder, & a Tapered Pin. • Overall Length Measures: 6" with base. Buy it here: https://tinyurl.com/y3cy7536 #PMCSupplies #RathburnRingStretcher #RingMakingTools ©PMC Supplies, LLC