Carbide Point with 0.080 Test Indicator We are dedicated to give everyone the very best houseware products for all home needs, with a focus on dependability, our client satisfaction and great quality. We provide highquality modern products to be enjoyed by many clients. Specifications. Size 2 mm. Diameter mm 2. Diameter Decimal Inch 0.0787. Ball Material Carbide. Contact Point Length Decimal in. 0.79