Manfrotto 3 Sec Double Articulating Arm w 143BKT Prime the Sigma 14 24mm 2 the Sigma 14 24mm 2 Diameter: 35 30 25mm The 396 family has been developed to provide greater robustness than the 196 range and to support heavier loads (upto 5kg) though keeping versatility thanks to its extendable sliding arm system (extends upto 860mm) further enhanced by its quick lock system The new bottom attachment adds to the strength and versatility of the 396 with a spigot that combines both a hexagonal part (for anti rotation fixing to the Superclamp system) and a universal adapter section (for fitting to a wide range of stands clamps and accessories)