German-made Panther?? burs are made from are high-quality hardened tool steel. Offered in several different sizes and styles such as hart, stone setting, cup, and more!Diameter (mm): 1.0, 1.2, 1.5, 1.6, 1.8, 2.0, 2.1, 2.5, 3.0, 3.3, 3.5 and 4.0Shank Dia...

Pre-cleans before soldering; pickles after heating and soldering, to remove oxides. Works well even at room temperature. When solution is exhausted it turns from pink to amber to alert you. Biodegradable and mixes with water to make solution. ^