The Cartoni Studio Extendable Dolly (D837/A) is an aluminum camera support platform designed for studio and EFP applications with 1 and 2-stage tripods. Precision-engineered with high-quality alloys, it features wheel assemblies with high-precision bearings and individual positive locks. Each wheel group can be positioned in 6 different locations at 60° intervals, providing smooth translational movement without requiring tracks. With an extendable design ranging from 76 cm to 95 cm in doorway tracking width, it accommodates various studio configurations. Weighing 13.6 kg with 12.5 cm diameter wheels, it offers stable camera movement for professional broadcast applications. Pneumatic wheel options (P70 HP) are available for outside broadcast use.