Carmex Tiny Tool Holder - Round Shank Holder to hold Carbide Small Boring Tool - 20mm Shank x 3mm Bore x 88mm OALThe Carmex Tiny Tool Holder is a compact round shank holder designed to securely hold carbide small boring tools in tight machining environments. Built for high accuracy and reliability, its ideal for precision tasks where consistent results matter. Shank Size: 20 mm round shank for secure seating in compatible holders Bore Diameter: 3 mm bore to accommodate carbide small boring tools Overall Length: 88 mm for reach in confined spaces Design: Round