Gatco Sharpeners Knife Sharpener. Millions of mono crystalline diamonds re-sharpen serrations faster and more precisely than any other sharpener. The Diamond Tri Seps unique triangular design features two radius sizes and provides sharpening for both large and small serrations. Also features two groove sizes for sharpening fish hooks darts ice picks scribes awls and other pointed instruments. Specifications for Gatco Sharpeners Knife Sharpener 60616: Manufacturer: Gatco Sharpeners Overall Length: 4.38 in Features of Gatco By Bear & Son Knife Sharpener 60616: Designed to be the fastest sharpener to re-bevel serrations Millions of monocrystalline diamonds reharpen serrations faster and more precisely than any other sharpener The Diamond TRI-SEPS unique triangular design features two radius sizes and provides sharpening for both large and small serrations Includes military-spec bead chain and clasp A must-have sharpener for all military personnel backpackers do-it-yourselfers mechanics and sportsmen. Made or monocrystalline diamonds. Overall Length: 4.5 (115 mm) Item Number: 60616 Origin: Import Package Contents: Gatco By Bear & Son Knife Sharpener 60616 Gatco By Bear & Son 60616: Knife Sharpener