The Protruss 31 series fall into the category of medium duty trusses, with a sizing that is the most widely used in the industry. Interal rents a large range of lengths, corners, arches, and special constructions based on the Protruss 31 series.

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The Protruss 41 series is the strongest and largest one in the mid-range truss. Just like the 31 series they have been designed specificly for professional light-and sound equipment, on exhibitions, for entertainment, theatre and discotheque environments. Thanks to its increased size, 39 X 39 cm, the loading capacity and maximum span are higher than the 31 series, which extends the possibilities by the extra margin that is so often required in large-scale projects.

Interal T.C. rents a large range of lengths, corners, arches, and special constructions based on the Protruss 41 series.

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