The?Leofoto MAB-X?Precision Rifle Ball Head with 75mm/100mm Systematic Adapter?is machined from solid aircraft grade aluminum and hard anodized for the optimal strength and durability. The MAB-X?is designed to be used with 75mm or 100mm compatible systematic tripod apexes. It features a redesigned lever-release arca clamp as well as a lever controlled ball. The redesigned clamp comes with?an adjustable clamping width. The MAB-X?is essentially an MA-40X ball head attached to a 75mm/100mm?adapter.?The ballhead can be removed from the adapter and be used as a standard ballhead which has the X rosette and 3/8" mounting studs.?The systematic adapter?can only be placed into a 75mm or 100mm systematic tripod apex.