Adjustable Ring Clamp-Stone Setting Set is an essential core tool for jewelry stone setting processing. The set includes a four-jaw precise clamping fixture and matching accessories, which can be freely adjusted in size to fit all ring sizes and perfectly secure the workpiece to be set. Made of high-quality materials, the fixture features stable non-slip clamping and wear resistance, effectively preventing ring shaking during setting. It greatly improves the accuracy and efficiency of gemstone setting, suitable for handmade artisans, jewelry studios and factories.