8" 3-jaw, high-speed, 210mm O.D.; 66mm bore; 23 ~ 210mm clamping range; 7.4mm jaw stroke on diameter; 17.5mm plunger stroke; 87KN maximum static gripping force; 1.5x60° master jaws serration; 5000 maximum rpm; M75 x 2.0 drawnut; for HAAS ST-15 (A2-6)