NBJE = 152.4mm x 203.2mm or 6" X 8" Faceplate Workholding Vertical Boring Mill JawsJ = 6"/152.4mm = Longitudinal Anchor Hole Center DistanceE = 8"/203.2mm = Overall Length of the Jaw"NEW VERTICAL & HORIZONTAL FACE PLATE WORK HOLDING CHUCK JAWS"
152.4mm (6") Center Distance of Anchor Holes x 203.2mm (8") Overall Length

