ADJUSTABLE ROUND DIES - 1 INCH O.D - 7/32 BSF - ALPS
https://www.toolsnsafety.com/shop/adjustable-round-dies-1-inch-o-d-7-32-bsf-alps-3078
https://www.toolsnsafety.com/web/image/product.template/3078/image_1920?unique=c7c0967
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Carbon Steel Adjustable Round Dies BSF