![41/64" (0.641) ER40 Ultra Precision Collet (0.0002" Accuracy or Better) - Part # 40-0640-41/64UP - Makers Industrial Supply](http://makersind.com/cdn/shop/products/er_f25feba1-b5d9-46a5-b443-030db40bf368_1024x1024.png?v=1594512909)
41/64" (0.641) ER40 Ultra Precision Collet (0.0002" Accuracy or Better) - Part # 40-0640-41/64UP
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