The New VERTECFOTO Tripod Leveling Base made improvement to Support 1/4" and 3/8" both on top and bottom. keeping the advantages of faster and easier to achieve a perfectly leveling. It features a larger bubble level with crosshairs, as well as enlarged red lock knobs and fine-tune grey knobs. The tri-point fine leveling design allows for precise leveling up to 6 degrees adjustments, it works perfectly for smart telescopes such as seestar or cameras ;The body made of aluminum alloy and brass by CNC precision process, Weighing at 7.23Ounces(205g); the load capacity of 33LBS (15kg)