Leofoto Leveling Base w/ Handle for 100mm Bowl Arca Black. The leveling base features a lightweight aluminum construction and the base is topped by the widely used Arca-type clamp. The handle twists to lock the base in place for ease of use when mounted with three different handle length options available. Specifications for Leofoto YB-100LK Leveling Base w/ Handle for 100mm Bowl: Manufacturer: Leofoto Color: Black Attachment Type: Arca Features of Leofoto YB-100LK Leveling Base w/ Handle for 100mm Bowl Aluminum CNC Machining Arca-Type Receiver Clamp Precision Scale for Positioning Diameter: 100mm (Compatible with 100mm Bowl Tripods) Bubble Level Adjustment Range of +/- 15degrees Package Contents: Leofoto YB-100LK Leveling Base w/ Handle for 100mm Bowl Leofoto YB-100LK: YB-100LK Leveling Base w/ Handle for 100mm Bowl Arca Black