Hollow Ground Additional Swivel Blade

Replacement swivel knife 6.3mm (1/4") blade width allowing for bold lines This interchangeable hollow ground swivel blade fits all our swivel knives. Interchangeable hollow ground swivel blade - fit all our swivel knives, to give more precise cuts and angles, for a more professional look to your carving and tooling projects. 6.3mm, 1/4" blade width allowing for bold lines. Hollow-ground definition: ground so as to produce a concave surface or surfaces behind a cutting edge.