Desks -45 degree countersink for beveling round carpentry 1/2" shank 15 Highlights brand generic 45 degree countersink for beveling round carpentry 1/2" shank 15 La description: Chamfer bits are great for mitering exposed edges Also helps reduce miters without any setup. Precision ground for good balance at high rpm By adjusting the height of the bit, you can change the size of bevels, roundings and chamfers on a piece of wood throughout Use on most routers, 12.7 mm (1/2 inch) in diameter. Bits are both available Specification: Shank Diameter: 1/2" (12.7mm) Material: Alloy Detailed Size (Shank Diameter x Cutter Height): 8 : 1/2" x 1/4" 9 : 1/2" x 5/16" 10 : 1/2" x 3/8" 11 : 1/2" x 5/8" 12 : 1/2" x 3/4" 13 : 1/2" x 7/8" 14 : 1/2" x 1" 15 : 1/2" x 1-1/4" 16 : 1/2" x 1-5/8" 17 : 1/2" x 1-1/2" 18 : 1/2" x 1-3/4" 19 : 1/2" x 2" More specific sizes are shown in the pictures Package includes: 1 Piece Chamfer Bit