All-in-One, a standalone precision mounting system without the need for additional rings.

Rotating handle and the ability to tighten to the desired diameter.

Durable aluminum construction, equipped with a handle featuring an internal shaft and steel cover.

• 3 stepped jaws cover a range of O.D./I.D. from 18 ~ 89 mm or 0.71 "~ 3.54" inches.
• Step 1: 18 ~ 53 mm (0.71 "~ 2.08")
• Step 2: 41 ~ 76 mm (1.62 "~ 2.99")
• Step 3: 54 ~ 89 mm (2.13 "~ 3.54")