Material: sulpurized high speed t00l steel conforming to bendix material specification e5 grade 11; 0.182-0.192 diameter drill 1.146-1.166 deep 7 equally spaced holes, 2.865-2.885 in. Wide, 1.584-1.604 in. Length, inside diameter is 0.973-0.983 in., 0.88-0.098 diameter drill through 7 holes equally spaced, 0.099-0.119 diameter drill 0.209-0.229 in deep 0.145-0.175 diameter x 119 deg. Csink 7 holes equally spaced, 7 slots equally spaced, 1.625 in. From center of leftside slot to center of th right side slot across center of block, base diameter is 2.3710-2.3713 in.