![3/16" (0.187) ER-20 Coolant Collet - Steel Sealed Precision - Part # 20-0187-3/16CT - Top Tool & Supply](http://toptoolandsupply.com/cdn/shop/products/ercoolant_e332712a-56c6-442e-a2e8-03cbae3bb6bd_1024x1024.png?v=1586393080)
3/16" (0.187) ER-20 Coolant Collet - Steel Sealed Precision - Part # 20-0187-3/16CT
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