PRECTECH WM80-370-M-3658-4263-3EN-0 PRECISION TECHNOLOGY WIESEL POWER LINE, " Integrated and covered ball bearing guide " Ball screw drive " Short Guidance System " 3 pcs inductive limit switches " Single nut low backlash " Lead = 5 mm " Stroke = 3658 mm (144" / 12') " Total length = 4263 mm (approx. 13.9')