Trend Professional Single Flute Router Cutter 2/01x1/4TC - Eccentric Single Flute with Solid Carbide Insert 1mm diameter x 3mm cut x 1/4" shank Key Features: Cutters are chosen for fast free cutting, when cutting speed takes preference over finish Cutters of 2.0mm diameter and below should have a maximum of 1.0mm depth of cut per pass Small diameter tools must be handled with care to avoid breakage Single flute cutters should not be used in eccentric chucks Solid carbide insert Specification: D1: 1 mm (diameter) C: 3 mm (cut length) OL: 49 mm (overall length) Shank Diameter: 1/4" inch