- Especially for fixing photo accessories (e.g. flash rails or flash sockets) ,- (A) 1/4 (6.4 mm) threaded stem ,- (B) 3/8 (9.5 mm) threaded hole - Thread Hole: 9.5 ″ ,- Tripod Thread: 6.4 ″ ,- Material: Metal ,- Diameter: 25 mm ,- Colour: Silver ,- Line: Conversion Screw ,- Number: 5 Stück 2 years legal warranty only