Kirk Quick Releas Lens Plate LP-9 is uniquely designed to provide a secure mount and front/back movement your lens when attached to the tripod. The lens plate converts the collar to make it compatible with Arca-type quick release clamps without the need for additional quick release plates. The plate is expertly crafted from solid alloy aluminum and its satin finish resists scratches. The design of the plate prevents the plate from twisting and enhances rigidity. With this lens plate you gain greater control, speed and security with every shot.