[Ugraded with Hole] You'll receive 6 packs of 1/4 male to 1/4 male camera screws with an upgraded 3.5mm hole in the middle and a hex wrench for easy assembly and disassembly. These screw adapters can be easily disasembled even they're tightly screwed,more convenient than other 1/4 screws without a hole. | [Premium Quality Tripod Screw] 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. | [Anti-skid Knurled Surface] This Sanchamy 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. | [Precisely Made for Convenient Use] These precision made 1/4"-20 to 1/4"-20 (male to male) tripod screws meet international standard（Length: 20mm, Diameter: 16mm), enable you to gain more rig combination possibility and freedom in your photo shooting. | [Wide Applications] 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.