Check the listing for details. Stubby Boring Bar, Carbide Tip: Min. Bore: 1", Max Depth: 1-3/4", Shank 1". Condition: New. Listed at 49.25 USD. Stubby Boring Bar, Minimum Bore Diameter= 1", Maximum Bore Depth= 1-3/4", Shank Diameter= 3/4", Overall Length= 3-3/8", Carbide Tipped, Made in the USA by APT