... with us Worm Gear Screw Jacks Type NP/I, Version B: With anti-rotation guideHousing: Size 0, 1 ... from aluminium alloy (Size 1 in die-cast version), Size 3 and 4 made from grey or ... e.g., a brake motorshould be included in the system. For lower stroke speeds, worm gear sets withhigher ... available as left-hand, stainless steel or ball screw version. Protective sleeve: The versions A and B are, ...