The set includes: 1/2", 5/8", 3/4", 7/8", 1" in diameter and & 2- 1/4" wide. The holder attachment itself is one stand alone part assembly. It attaches to a tooling arm with 2x 3/8-16 bolt (included).The storage rack is made from 304 grade brushed Stainless Steel. The item "2x72 Belt Grinder Small Wheel set with Holder and Rack for knife Grinders" is in sale since Sunday, September 30, 2018. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\CNC & Metalworking Supplies\Equipment Specific Tooling\Grinding". The seller is "golden_bullet4317" and is located in Larnaca. This item can be shipped to United States, all countries in Europe, Canada, Australia.