10pc Resharpened Propane Carbide Tool Set. This set contains the following drill bits; 2-#60, 2-#59, 1-#58, 1-#57, 2-#56, 1-#55 and 1-#54. The #60- #57 size holes are used when making a burner to melt Aluminum. The #56-#54 size holes are used to melt iron These tools have an overall length of approx. 1.50", and a shank diameter of (.1250). All the tools come with the correct identification rings. |
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