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1/4 Inch Converter Female Threaded Screws Adapter Mount To M4 M6 Male Mount For Projector/camera/tripod/ Monopod/ballhead - Buy Screws Adapter Mount,M4 Male Mount,1/4 Converter Thread Product on Alibaba.com
BrassCraft 1/4-in x 1/4-in Threaded Female Adapter Coupling Fitting in the Brass Fittings department at Lowes.com