Manfrotto MH054M0-Q2 054 Magnesium Ball Head + 2 Bonus Replacement Quick Release Plates for the RC2 Rapid Connect Adapter The MH054M0-Q2 ballhead is powerful and made of lightweight magnesium Ideal tool for durability, high performance and accuracy Load Capacity: 22.05 lbs Working Height: 4.61 in Plate Type: 200PL-14 (1 original & 2 Bonus replacements)