28326 Features: -Micro drill. -Material: Tungsten carbide. -With ideal cutting angle of 6 degrees. -Ideal for drilling in glass, porcelain, ceramics, marble, semi-precious stones and other hard stones. Number Of Bits: -2. Unit Material: -Steel. Use Material: -Metal. Product Type: -2 Cutter Drill Bits. Use: -Drill Bits. Generic Dimensions: -Overall dimensions: 0.39" H x 3.54" W x 3.14" D, 0.2 lbs. Dimensions: Overall Product Weight: -0.2 Pounds.