![7/16" (0.437) ER20 Super Precision Collet (0.0005" Accuracy or Better) - Part # 20-0437-7/16 - Caliber Tooling](http://www.moorism.top/cdn/shop/products/er_1a8b5dfd-60f3-4b97-92f8-35e34b2ea8f7_1024x1024.png?v=1594510250)
7/16" (0.437) ER20 Super Precision Collet (0.0005" Accuracy or Better) - Part # 20-0437-7/16
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