29020 Features: -Router bit. -Material: Tungsten carbide steel. -Inverse ground flutes. -Maximum speeds up to 30,000Â rpm. Number Of Bits: -5+. Unit Material: -Steel. Use Material: -Wood. Product Type: -Driver Bits. Use: -Router Bits. Generic Dimensions: -Overall dimensions: 0.39" H x 3.54" W x 3.14" D, 2 lbs. Dimensions: Overall Product Weight: -2 Pounds.