Both ends of the product is 1/4 female screw holes, which can be used to connection corresponding accessories. Suitable for 15mm pipe diameter, compatibility with 15mm pipe clamp. Standard 1/4 inch female head to 1/4 inch female head adapter has wide compatibility and is suitable for tripods, electric slides, lamp stands, and microphone stands, providing you with multifunctional photography . 1/4inch female to female tripod nut connector suitable for magical arm camera bracket, tripod, microphone bracket , it is compact and portable overall, weighing 23g.