The Huot Collet Rack for TG75 Collets has 1-1/32" diameter holes to hold 40 TG75 collets and is made in USA. It is designed to fit in Huot ToolScoot and Tool Tower storage trays. The rack is made of steel with an epoxy finish for durability and protection. It has two slots for benchtop mounting. Collets are not included. The rack is 17 × 9.125 × 2 inches (W x D x H). (W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back; H is height, the vertical distance from lowest to highest point.)Cutting tool organizers provide storage, organization, and quick size identification for drill bits, taps, and reamers. Organizer types include gauges, indexes (also called cases), dispenser cabinets, carts, towers, racks, and platforms.Huot manufactures cutting tool storage systems. The company, founded in 1926 and headquartered in St. Paul, MN, meets International Organization for Standardization (ISO) standard 9001.