Stabilize super-long telephoto lenses with the 8" Arca-Type Double Dovetail Plate, made from CNC-machined aluminum and featuring adjustable safety stops that stop the lens from moving or sliding. The center of the plate has an adapter port for the SS2 Quick Release Strap Adapter. Two 1/4"-20 screws are included for mounting in the slotted channels along with an Allen wrench for precision tightening.