Fangrui Product Details 1. Dlev-3838 Precision Bubble Level Leveling Base Tripod Head Plate With 38 Inch Screw & 3 Adjustment Dials For Tripod Mount 2. Made Of Quality Aluminium Alloy With An Oxidized Surface And Cnc Precision Machining, Sturdy And Durable. 3. Triple-wheel Tripod Leveler Allows You To Make Fine Tuning To Get Precise Balance On Varied Topography. 4. The Ez-leveler Leveling Base Is Fitted Between Tripod And Head And Is Used In Combination With Tripods That Do Not Have Built-in Leveling Mechanisms. 5. With 3 Bubble Levels That Offer Accurate And Highly Visible Level Indication. 6. Its Three Adjustment Dials Enable The Operator To Make Fine, Finger Tip Adjustments Up To +- 10 Degrees To Ensure The Camera Is Good Level. The Dials Also Have Locking Rings To Ensure Stability Once The Right Position Is Reached. 7. Universal 38 Inch Screw And Screw Hole, Payload Is 5kg To 10kg, Suitable For Many Cameras With Accessory.