KAKA RA-1 Manual Tube Notcher, 1/4&rdquo;, 3/8&rdquo;, 1/2&rdquo; Light Weight, High Precision Tubing Notcher The manual tube notchers thickness can up to up to 1/8" Kaka manual tubing notcher is designed specifically for 1/4-inches, 3/8-inches, 1/2-inches pipe sizes It can be operated horizontally and verticality, which in turn will increase the flexibility of a project The 90 degree notcher features the maximum degree you can manage, which in a large extent guarantees the adjustability and accuracy It is a light-weight notcher and very portable. The product itself has proven to be served after year's heavy utilization