The Revic BH1L Fluid Tripod Ball Head is designed for serious shooting applications, with the versatility to operate well while glassing. The Lever Clamp locking mechanism makes clamping in your rifle, spotter, or binoculars swift and foolproof. The clamp features a more visible bubble level and toolless adjustment. The 360Adeg panning base will help you grid those mountainsides without missing an inch. FeaturesArca-Swiss StandardLever Clamp Locking Mechanism3.3" Height2.24" Base Diameter360Adeg Panning Base Travel44lbs Max Load1.05 lbs WeightMachined Aluminum