SPECIFICATIONS THREAD TUBE.OD DIMENSIONS PART NO. E F D1 D2 L1 C S1 S2 2D9-16 M16¡Á1.5 M16¡Á1.5 8 8 27 1.5 16 22 2D9-18 M18¡Á1.5 M18¡Á1.5 10 10 28.5 2 19 24 2D9-20 M20¡Á1.5 M20¡Á1.5 12 12 28.5 2.5 19 27 2D9-22 M22¡Á1.5 M22¡Á1.5 14 14 31.2 2.5 22 27 2D9-24 M24¡Á1.5 M24¡Á1.5 16 16 32.2 2.5 24 30 2D9-30 M30¡Á2 M30¡Á2 20 20 41.5 3 30 36 2D9-36 M36¡Á2 M36¡Á2 25 25 46.5 5 36 41 2D9-42 M42¡Á2 M42¡Á2 30 30 49.5 5 41 50 2D9-52 M52¡Á2 M52¡Á2 38 38 61.5 6.5 55 60. For more details pls tell us the specifications . Packing:paper skin Max weight:25kg Volume:28*22*17cm.