Screw Features:Aluminum alloy material, black anodized.Camera selfie sticks hand screw lanyard screw.Material: Aluminum alloyApplication: used for SLR camera lanyard hole, self-timer lever lifting screw15cm Adjustable Hand Wristband Lanyard Strap String For Mobile Phone Keychains Camera Tripod Selfie Stick Extension RodMaterial: PolyesterFeatures:1. You can slide freely to adjust the wrist strap;2. Fashion, concise and beautiful;3. You can wear it on your wrist to avoid losing it;4. The rope thickness is about 10mm;5. It can be used to install mobile phones, cameras, MP3, game consoles, bus cards, file packages, U disks, etc.