![21mm (0.826) ER40 Super Precision Collet (0.0005" Accuracy or Better) - Part # 40-0826-21.0 - Caliber Tooling](http://www.moorism.top/cdn/shop/products/er_e1a7288f-ee08-412d-97d0-2b4a9e74d1ff_1024x1024.png?v=1594510697)
21mm (0.826) ER40 Super Precision Collet (0.0005" Accuracy or Better) - Part # 40-0826-21.0
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