FEICHAO Plate Adapter 3/8" to 1/4" Screw Nut for Canon Tripod Ball Head QR Board
FEICHAO Universal L Shape Plate Adapter 3/8" to 1/4" Screw Nut Level for Canon 5D Mark II 600D Nikon 550D DSLR Tripod Ball Head QR Board. It has a wide range of applications. Two-way level to ensure accurate shooting balance;.