Vortex Pro Leveling Head 2.125x3.5x4.5 Medium Black 2.2in 8oz. +/- 9.0 degress of levling capability. Low-profile robust aluminum construction supports heavy optics while remaining incredibly smooth to operate. Compatible with most tripod-ready optics (1/4"-20 top thread). For use with the Vortex High Country II Summit Carbon II and Ridgeview Carbon tripods - or any tripod with 3/8"-16 thread. Specifications for Vortex Pro Leveling Head: Manufacturer: Vortex Color: Black Attachment Type: Arca Length: 2.13 in Weight: 7 oz Width: 3.5 in Height: 1.35 in Maximum Loading Weight: 22 lb Fabric/Material: Aluminum Features of Vortex Pro Leveling Head: Compatible with Vortex High Country II Summit Carbon II and Ridgeview Carbon tripods or any tripod with 3/8""-16 thread Twist to lock controls Integrated bubble level +/-9 degrees of leveling capability 1/4""-20 thread and aluminum construction Package Contents: Vortex Pro Leveling Head Quick-Release Plate with 1/4-20 Thread Vortex TRH-LVL2: Pro Leveling Head 2.125x3.5x4.5 Medium Black 2.2in 8oz