The Radius Master is an efficient tube notching facility for tube up to 38mm (1 ½”)
Taking 6 to 8 seconds only to notch 1.6 wall (1/16”) tube. Deburring 1” tube inside is possible on the 1” roller working on a 45 deg angle.
The Select-A-Rad is the best choice for tube smaller than 25 (1”)and larger than 38 or 40 (1 ½”) and has the same functions except cannot be used for knifemaking hollow grinding. Check for specifications for available roller cartridge sizes.