Less ThanBGreater Than- Two-Way Tilt Head -Less ThanBRGreater ThanTwo-way head Dual-knob Design Ensures Better Balance. Ideal for Telephoto Lenses. 360 Degrees Panning BaseLess ThanBGreater ThanLight Weight, Big Load CapacityT6061 Aerospace grade aluminum material, light weight structure, weighing only 360 gram, with load capacity reaches up to 15 KG.Less ThanBRGreater ThanLess ThanBRGreater ThanDual Lock-knobs on Both SidesLess Than/BGreater ThanLess ThanBRGreater ThanTwo lock-knobs on each side of the head provide max locking strength and highest stability, ensuring the head is well balanced on both sides and hence extends its longevity.Less ThanBRGreater ThanLess ThanBRGreater ThanLess ThanBGreater ThanLock-knobs Featuring Ratchet MechanismLess ThanBRGreater ThanElongated knobs on both sides as well as panning base lock-knob feature ratchet mechanism. Can be pulled out and relocated at any position desired to avoid interference with other parts at the base.Less ThanBRGreater ThanLess ThanBRGreater ThanSwift Locking Lever-release ClampLess ThanBRGreater ThanEquipped with Arca standard dovetail lever-release clamp for swift locking. With adjustable clamping width. It works with QR plates of different widths.Less ThanBRGreater Than180 Degrees Fore-aft Tilting and 360 Degrees PanningLess ThanBRGreater ThanThe fore-aft tilting angle of the head is 180 degrees and it's also 360 degrees rotatable horizontally to meet demands of different shooting tasks.Less ThanBRGreater ThanArc