SED Shellfish Equipment Pty Ltd. 16643 Bass Highway, Wynyard , Tasmania , 7325 Australia About Solutions products Publications videos Downloads Companies SED Shellfish Equipment Pty Ltd. Products Shellquip - Shaker Graders Shellquip - Shaker Graders 0 Share Range of sizes for spat and juveniles. Standard 2 and 3 tier models currently available. Stainless steel construction with shaker speed adjustment. Customer reviews No reviews were found for Shellquip - Shaker Graders. Be the first to review! Add your review Publish your review Great! review successfully added!