PRECISION DESIGN - These camera screw adapter are all with international standard screw type 1/4"-20 and 3/8" male and female thread, they have pretty much all your camera equipment needs covered. EXQUISITE QUALITY - The 1/4" female to 3/8" female adapter made of aluminium alloy, light weight and solid; Other adapters are made of stainless steel, very solid and durable. SIMPLE INSTALLATION - Easily twist grip of the screws allows quick installation to the tripod mount of your camera. Each screw will fit the standard tripod connection of your camera. MULTI FUNCTION - The convert screw adapter set can be used with tripods, monopods, telescopes, ball heads, quick release plate etc. Great value in both versatility and funtionality. Product Description Precision manufactured 1/4 to 3/8 inch male screw fittings for tripods, straps, light stands, miniature equipment, etc. Very robust and durable. 1/4 female thread to male 3/8 thread adapter, stainless steel material, sturdy and durable,