![21.5mm (0.846) ER40 Ultra Precision Collet (0.0002" Accuracy or Better) - Part # 40-0846-21.5UP - Top Tool & Supply](http://toptoolandsupply.com/cdn/shop/products/er_d6bda679-3ba9-482b-a589-ad3060c1529a_1024x1024.png?v=1586392028)
21.5mm (0.846) ER40 Ultra Precision Collet (0.0002" Accuracy or Better) - Part # 40-0846-21.5UP
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