The Aeron Alloy SL 26 (Formerly MCT26) is the new Alloy range, and comes equipped with some awesome new features. Adopting features from the Carbon booms to give the look and feel without the price, the addition of the SL (Slim Line) along with a new tail profiles and alloy cated lever helps make this boom a must have. Alloy Lever Wide Tail Profile New Tail housing for all sizes One Year Warranty Booms Length Diameter Type Weight SL 26 130-170 26mm Aluminum 2.62kg SL 26 140-190 26mm Aluminum 2.69kg SL 26 150-200 26mm Aluminum 2.75kg SL 26 160-210 26mm Aluminum 2.99kg Adopting features from the Carbon booms to give the look and feel without the price, the addition of the SL (Slim Line) along with a new tail profiles and alloy cated lever helps make this boom a must have.