Libec Long Plate LThis Long Sliding Plate L from Libec helps properly balance a heavier camera or camera rig with a longer lens on select tripod heads. This 9. 4" long plate is constructed from durable, lightweight aluminum, features measurement markings on the sides, and offers a 3. 7" sliding range. It is compatible with Libec LX10, RHP75, and RHP85 heads, as well as select Manfrotto and Sachtler heads. Sliding Plate Measures 9. 4" long with a sliding range of 3. 7"