89101 - Replacement Threading Dies for Collins Rhino - 1/2" to 3/4"Rothenberger 89101 Replacement Threading Dies for Collins Rhino 1 2" to 3 4" Rothenberger's Collins Rhino is a top quality threading machine for standard use by plumbing and electrical contractors. So versatile, it cuts, threads, grooves, reams or bevels with near automatic operation: automatic chucking, automatic oil flow through the die head, and fast threading speeds. Features Long operating life Optimum cutting geometry and excellent chip