Carmex Tiny Tool Holder - Round Shank Holder to hold Carbide Small Boring Tool - 20mm Shank x 8mm Bore x 88mm OALThe Carmex Tiny Tool Holder is a compact round shank holder designed to securely grip carbide small boring tools, delivering dependable precision in tight spaces. Shank diameter: 20 mm round shank designed for stable engagement with compatible tooling interfaces Bore size: 8 mm bore to hold carbide small boring tools securely Overall length: 88 mm for a compact, space saving form factor Design benefits: Round shank provides a strong grip and helps