PRECISE PROCESSING - Standard 1/4 "" to 3/8 "" thread conversion screws fit most of your cameras and other accessories. You can choose the screw size according to the use of space, which saves time. BEST QUALITY - 1/4 "" male thread to 3/8 “female screw is made of aluminum alloy, smooth edge, light weight; Other adapters are made of stainless steel, which is stronger and more stabilizing. EASY CONNECTION - A simple twist grip of the screws allows for quick mounting to your camera’s tripod. Each screw corresponds to your camera’s standard tripod connection. WIDE COMPATIBILITY - Fully inclusive camera tool for camera, tripod, monopad, ball head, light stand to meet different working needs. MISCELLANEOUS PARTS - 5X 1/4 "” to 3/8 "" male thread screw adapters, 5X1 / 4 "" to 1/4 "" male thread screw adapters, 5X 1/4 “female to 3 / 8 "” female thread adapters, 5X 1/4 "" female to 3/8 “male thread adapter, 2X1 / 4” screw with D-ring Net weight: 150g Material: aluminum alloy and stainless