3 Leg Monopod Base - Locking base with ball joint Two Accessory Mounts – Two 1/4”-20 mounts for attaching accessories. 5.5 lb/2.5kg weight capacity – Supports cameras both large and small. Flat Base Versatility – Can be used on other flat surfaces with its 3/8”-16 mounting thread such as sliders, jibs and half ball adapters. CNC machined camera plate – The S2 PRO includes a CNC machined aluminum sliding camera plate.