SMC CQM Series Compact Guide Rod Cylinder, CDQMB16 20 A93V Insulated Screwdriver Handle Set Bore 25mm Stroke 75mm Cushion Hex Bit Bore 25mm Stroke 75mm Cushion Air cushion Auto switch Without auto switch Port size 1 8 Fluid Air Action Double acting Port thread Rc Rod end male thread M10X1 Item # Description Spreading Capacity Throat Depth 212 1875 1964717 6" (15 cm) MD Bar Clamp Spreader 7 7 8" 13 3 8" (200 mm 340 mm) 3 3 16" (81 mm) 212 1884 1964718 12" (30 cm) MD Bar Clamp Spreader 7 7 8" 19 3 8" (200 mm 590 mm) 3 3 16" (81 mm) 212 1893 1964719 18" (45 cm) MD Bar Clamp Spreader 7 7 8" 25 3 8" (200 mm 645 mm) 3 3 16" (81 mm) 212 1909 1964720 24" (60 cm) MD Bar Clamp Spreader 7 7 8" 31 3 8" (200 mm 795 mm) 3 3 16" (81 mm) 212 1918 1964741 36" (91 cm) MD Bar Clamp Spreader 7 7 8" 43 3 8" (200 mm 1120mm) 3 3 16" (81 mm) 20mm stroke min 10 °C Fluid temp