Torrens high power magnetic tools. T51 Quick Change Tool Set. Quick change tool post for Boxford lathes, this set also fits Aud. All the parts are hardened and ground. The set comes with 3 standard holders, 1 parting holder with HSS blade. The main block is 3" square by 2" high with a 5/8 bore. PLEASE NOTE: This set is larger than the M. Please check out my other items! Our product is manufactured by us, we do not compromise on quality, the quality is the best you can ever get, kindly refer to the photos. We ensure the product reaches you at the earliest. The item "T51 Quick ...