![Toolholders - BT 40 Shell Mill Holders & 90 Square Shoulder Shell Mill Cutters - Part # B40-12SM400-K - Caliber Tooling](http://calibertooling.com/cdn/shop/products/bt40shellmill_18d1497b-f55d-432d-9525-38377c988299_1024x1024.png?v=1594519896)
Toolholders - BT 40 Shell Mill Holders & 90 Square Shoulder Shell Mill Cutters - Part # B40-12SM400-K
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