The DY-9 heavy-duty dolly is designed for quiet, smooth and effortless tripod movement on studio floors. All wheel castors utilize non-marking, non-setting polyurethane tires mounted on stainless steel rims rotating on needle bearings. Each wheel has positive locking in both radial & axial rotation with step-on step-off design. Each dolly leg folds from a carrying position to 120-degree lock position with each leg terminating with a positive tripod leg lock (tapered cone) and clamping device.
| Construction | Aluminum |
| Doorway Width | 18.5" (470mm) |
| Folded Length | 20.5" (520mm) |
| Wheel Diameter | 3.9" (100mm) |
| Wheel Lock | Yes |
| Cable Guards | No |
| Weight | 12.1 lb (5.5 kg) |