81s 10ml magnetic torpedo level 25cm loose stabila 15348, the stabila 81s torpedo level has a strong cast aluminium t profile making it easy to hold'. '.strtoupper('t')he particularly slender trapezoidal bevelled shape makes it suitable for working in cramped spaces'. '.strtoupper('t')he die cast frame has 1 milled measuring face and protecting noses to prevent damage to milled face'. '.strtoupper('a')dditional magnets mounted in the milled measuring surface hold this level securely on scaffolding or beams'. '.strtoupper('2') vials 1 plumb and 1 horizontal.accuracy normal position 0.029deg0.5mm m.accuracy overhead position 0.043deg0.75mm m'. '.strtoupper('t')ype 81srem has rare earth magnets five times stronger.the stabila 81s rem rare earth magnetic torpedo level is supplied loose'. '.strtoupper('s')tabila 15348 81s rem rare earth magnetic torpedo level 25cm