1.Made of high quality aluminum alloy, this well constructed tripod screw adapter is anti-rust, anti-corrosion, no worry of breaking, ensures long service life. It's a great replacement for plastic adapter, connecting your camera or other devices stably and perfectly. 2.This camera screw has a complete and deep thread without burrs, excellent grip makes it stable and firm, easy to install and remove. Great little piece of equipment to own for any photographer. 3.This 1/4 screw adapter fits for any dslr slr camera tripods, monopods, telescopes, ball heads, lens collars, lens plates, light stand etc, that is with 1/4 hole. 4.These precision made 1/4-20 to 1/4-20 (male to male) tripod screws meet international standard, enable you to gain more rig combination possibility and freedom in your photo shooting. Package Includes: 1pc/2pcs/6pcs 1/4 Male to 1/4 Male Threaded Tripod Screw Adapter