The SD001 Tabletop Camera Dolly from Neewer is a compact manual dolly supporting cameras or smartphones weighing up to 3 kg. The dolly wheels can be adjusted within a +45/-45° range, enabling you to create straight, arced, and circular moves. It includes a ball head and a rotatable holder that fits smartphones measuring 2.2 to 3.5" wide and can be used horizontally or vertically. This aluminum alloy dolly has smooth rubber wheels and a marked scale that enables accurate angle adjustments.