System ArrowX 3 Sprinter II 2-stage (alloy) Sprinter II 2 Stage tripod system combines the ArrowX 3 fluid head with speedy and solid Sprinter II 2 Stage Alloy tripod to support the latest generation in acquisition from the DSLR to film-ready HDV alternatives to the lightweight ENG camcorders of payloads from 1-19kg 2.2-41.8lbs.