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. Leofoto MAB-75X Precision Rifle Ball Head w/100mm Systematic Adapter MAB-75X-ARCA in Black