It is formed by two tubular sections, the lower Telescopic length means information with Regulators.Linked particularly with the upper section, with Three Parts: Rotary coupling a First Intermediate Piece connected to the Bottom, fixed on the Telescopic Element outside, a Second Intermediate Piece connected with the tubular Top Section deslizablemente, both articulated As a Third Piece rotationally with Central JunctionAt least prepared to turn 90 degrees to the first two in a single direction.Both sections have means of Recording Telescopic fixing their relative position; the upper section provides a Groove in which is Mounted a Skate that protrudes transversally for Elastic media, a Blind Hole on the body of the second Piece To immediate superior displacement mounted in said tubular element.This shoe has a larger diameter Head followed by a smaller Throat DIAMETER.
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