iShoot 3-in-1 Metal Quick Release Plate Clamp Compatible with Rrs, Arca-swiss and Manfrotto 200pl, 410pl Quick Release Plate Made in China Aviation aluminum,with spirit level,hollow-out design 110 x 50 x 20mm,weight is about 85g Compatible with Manfrotto 200PL, 410PL and AS standard interface quick release plate