SKU-010222 Edger Sharpening Plate. RED color coded. This anodized aluminum plate with 8 graduated ridges allows the leather worker to sharpen most if not all round bottomed edgers on the bench. This means your western edgers, gomph style edgers, bissonette edgers, vizzard edgers etc. There are holes at the corners that fit #6 sized screws should you chose to mount the plate on a board etc. The ridge radius on this plate are different than those on our BLACK-QC Sharpening Plate.