Telescopic support arm with two points of support, practical, light and robust, built in aluminum alloy. The square section of the tubular arm ensures greater stability compared to other round section feeder arm. The inclination of the arm is quickly adjustable by means of a single, solid clamp. Telescopic double anchoring points feeder arm, practicle, light and durable, made of ultra light aluminum. The squared profile of the tubular arm will guarantee a better stability comparing to other round profile feeder arms. The arm inclination is quickly adjustable trough a single clamp.