Shimpo FG-M6FPG8 Grip Adapter (8mm wide fine point grip). Shimpo Fine Point Grip 60 lb Capacity, M6 Thread, Accepts Samples to 8 mm Wide 1 mm Thick. Ideal for testing fine and medium gage wire, ribbon, tape and paper. Two jaw widths and load capacities are available; both can handle material thickness up to 0.04" (1 mm), Jaw widths are 0.31" (8 mm). Shimpo parts and accessories.