Specifically designed by SHAPE Technologies for abrasive waterjet cutting. Our engineers have created the perfect balance of performance and cost reduction. This PRO Series DELTA NXT Premium Indexed Focus tube is 3.00" Long. Please call KMT Genuine Parts at 800-826-9274 if you cannot find the focus tube you normally order. 1000007-30-299 replaces 20477366, 1000007-40-299 replaces 20486133, 1000007-43-299 replaces 20477386.