Carmex Tiny Tool Holder - Round Shank Holder to hold Carbide Small Boring Tool - 16mm Shank x 5mm Bore x 88mm OALThe Carmex Tiny Tool Holder is a compact, round shank holder designed to securely grip carbide small boring tools. Built for precision driven tasks, it excels in tight spaces where reliability and consistent performance matter most. Shank size: 16 mm round shank for secure engagement with compatible holders Bore capacity: 5 mm bore designed to hold carbide small boring tools Overall length: 88 mm to reach into confined areas while maintaining rigidity