Shank Diameter: 0.083", 0.090", 0.099", 0.113", 0.120", 0.131". Shank Type: Smooth, Ring, Screw. Point: Diamond Point, Blunt Point, Blunt Chisel Point. Length: 1", 1 1/4", 1 1/2", 1 3/4", 2", 2 1/4", 2 1/2", 2 3/7", 3", 3 1/4", 3 1/2", 4". We will offer you products with top quality and competitive prices, welcome your specific inquiry.