JB Branded copper tube cutter for 1/8'' to 1-1/8'' OD. Precision tube cuter made exclusively for JB by Rothenberger. Designed with smooth-running, telescopic action for a consistent working radius. Features include a rolling stop which protects the cutting wheel, a protected screw spindle to shield against dirt and jamming, and a lightweight cast aluminum body. The deburrer swivels up and space cutter wheel is stored in handle. For replacement cutting wheels use RT7007B. Assembled in the USA.