Standard 1/4Inch-20 Female to 3/8 Inch-16 Male Thread Adapter Sleeve Reduction Converter for DSLR Camera Tripod Monopod BIdeal for use on tripods, tripod heads, ball heads, monopods, lighting stands, DSLRs/SLR cameras, camcorders and more. The reducer sleeve screw adapter allows you to convert any standard 3/8 inch-16 thread to 1/4 inch standard insertPrecision crafted standard 3/8inch-16 male to 1/4 inch-female screw adapter. Robust and durable to use. This 1/4 to 3/8 adapter are exactly as specified and are necessary if you need to mount camera accessories with a 3/8-16 internal thread to your device, such as a tripod or quick release plate with a 1/4-20 male thread. The cost of the bag (10) of these machined chrome adapters was reasonable, the threads are cut cleanly, the screwdriver slot is deep and well machined. Easy to use. Compatible with button lens, arca swiss button heads, etc. Tripod screw adapter is easy to install and remove from the device1/4 to 3/8 screw conversion are used for different size ball head, countersunk head, flash bracket with 3/8 inch female thread to connect tripod or monopod with 1/4 inch screw The conversion screw is made of strong metal, which is durable to use. The tripod screw has notches at one end, so you can use a coin to roll the screw Color: silver. Material: MetalSize: 10x8