Designed for the marine environment, built in glass fibre reinforced plastic with clear anodized aluminum tubing. Totally protected against water, so much so that they can even be submerged. Inline motor delivers over 225kg of force. The spindle on which its operation is based, as in the flaps, has no end of stroke. At the end of the stroke, it rotates freely on a 12-ball bearing box. Clutchless ball screw design will not drift, never binds and runs in sync on dual lift applications. It can remain in an intermediate position of the stroke. Equipped with a quick release shaft in case of electrical failure. Spare quick release shaft N/Ref: 046112