Spiral Violin Reamer, Standard Herdim Spiral Peg Reamer. Violin, standard size, 1/30 taper. The new spiral cutting edges allow undreamt of cutting quality. the wood fibers are cut at an angel which makes these reamers completely chatter free, ensuring perfect round hole.  Especially well suited for working on sensitive old instruments whose pegboxes often have very hard medullary rays. Polished rosewood handle.  Matching peg shaper T-33 sold separately.