Manfrotto SLIDING PLATE ADAPTOR 357 NORD - Video SLIDING PLATE ADAPTOR 80mm Sliding Plate Replaces 3273 Compatible With 526 Pro Video Head The Manfrotto 357 Pro Quick Release Adapter adds professional quick release convenience to tripod heads that dont include one already. It gives you the freedom to remove the camera from the head and put it on any other support. The plate features over