The Faithfull Heavy-Duty Twin Head T-Bar Attachment enables 2 light units to be attached to a tripod. Constructed from powder-coated metal for durability. The universal slots allow a large range of light brackets to be fitted. Fits the FPPTRIHD3M Tripod. Supplied with 4 x attachment bolts. Specification Socket Diameter 34mm Slot Hole Centres (each) 75-155mm Round Hole Centres 600mm Bolt Thread M6 Dimensions (WxHxD) 685 x 90 x 40mm