- *NEW* - our imitation ivory is now available with either Celtic or Victorian engraving - fully beaded and combed. - projecting mounts, ferrules, ring caps and bushings are imitation ivory (speciality made Delrin product) and are threaded into place. - other materials available for the projecting mounts (see options) - engraved metal tuning slides are available in nickel, stainless steel, aluminum or brass with either Celtic or Victorian engraving - wood hemp stops - blackwood blowpipe and blowpipe stock are Poly lined to prevent cracking