![4mm ( 0.157) ER8 Ultra Precision Collet (0.0002" Accuracy or Better) - Part # 08-0157-4.0UP - Benchmark Tooling](http://benchmarktooling.com/cdn/shop/products/er_9446aab3-7805-4052-ada3-c0ef62f1aa91_1024x1024.png?v=1594511485)
4mm ( 0.157) ER8 Ultra Precision Collet (0.0002" Accuracy or Better) - Part # 08-0157-4.0UP
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