The VGOL 4PCS 1/4 Inch Male to 1/4 Inch Male Threaded Tripod Screw Adapter is made of durable aluminium alloy, ensuring a long service life. It is rust-proof, corrosion-resistant, and robust. This adapter fits any DSLR SLR camera tripods, monopods, telescopes, ball heads, and more with a 1/4 inch hole. The non-slip knurled surface provides stability and easy installation and removal. The precision machined screw adapter is made of smooth aluminum alloy material, making it wear-resistant and corrosion-resistant. The package includes 4 pieces of the adapter.