2 replacement abrasive plates for the Work Sharp Professional Precision Adjust Knife Sharpener Includes: 600 grit & 800 grit Diamond Abrasive Plates Size 1" x 6" and does not fit other Work Sharp Products. Fine Grit Replacement Kit for ONLY the Work Sharp Professional Precision Adjust PROUD TO BE AN AMERICAN COMPANY - Work Sharp is a 4th-generation family-owned company in Ashland, Oregon. For over 50 years we have been engineering industry-leading sharpening tools here in the USA. Work Sharp Professional Precision Adjust Fine Diamond Abrasive Kit includes: (1) 600 grit diamond plate & (1) 800 grit diamond plate and is intended for use on the Work Sharp Professional Precision Adjust Knife Sharpener.