Quadra are mechanical Manhole cover lifter dollies specifically designed to allow individual operators to open very large manhole covers, equipped with four attachment points near the corners of the cover. As with the Uni Compact, the numbers following QUADRA: -100, -110 and -120 indicate the maximum width or diameter in centimetres of the manhole covers that they can move. Quadra manhole cover lifters have a stabiliser bar which distributes the weight of the cover by acting on the barycentre, reducing the effort required for lifting Its galvanised steel structure, with a flexible, extensible and adjustable handle, is designed to make it versatile and compact for storage inside its bag. Supplied as standard with only four units of the same GR key, completed by the following accessories: key, scraper, floor-protection plates, groove-cleaning tool, steel bar, key-holder spring.


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