Leofoto Bowl Adapter - Heads X Version w/ 100mm Bowls Black. The MA-75X is for the standard top plate of 75mm tripod systems and the MA-100X is for the standard top plate of 100mm tripod systems. The adapter connects the head securely using a Rosette Connector and a set screw ensuring stability during shooting. It is compatible exclusively with the following ''X'' version Leofoto outdoors heads: MA-40X MG-40X MK-40X MH-35X MH-40X MH-50X and MH-60X. (not compatible with earlier versions of these heads.) Specifications for Leofoto MA-100X Bowl Adapter - Heads X Version w/ 100mm Bowls: Manufacturer: Leofoto Color: Black Features of Leofoto MA-100X Bowl Adapter - Heads X Version w/ 100mm Bowls Aluminum CNC Machining Package Contents: Leofoto MA-100X Bowl Adapter - Heads X Version w/ 100mm Bowls Leofoto MA-100X: MA-100X Bowl Adapter - Heads X Version w/ 100mm Bowls Black