| Outer Diameter | 88.2 mm / 3.47 in |
| Inside Diameter | 36 mm / 1.42 in |
| Weight | 75.5 g / 2.66 oz |
| Material | Aluminum Alloy |
| Items in the Package | One Pair of Spare Plastic Sealing Rings, T15 Torx Wrench, Screwdriver, etc. |
| Easy of Use | Loosen the screw, slide the side wheel onto the side focus knob and tighten the screw. |