Screw adapter for camera strap 1/4" adapter With this sturdy screw adapter, you can easily and reliably attach your camera to a camera strap. This on a carabiner hook twist into the tripod thread of your camera and slide it onto your camera strap. The screw adapter has a 1/4 inch thread and can therefore be screwed into the tripod thread of any camera. A rubber flange with ribbed surface ensures that the very firm screws can be tightened to prevent accidental loosening. Loosen the screw suspension also serves as a handle to tighten and comfortable. Details: external thread: 1/4 inch, total diameter: approx. 21 mm. Shaft length: approx. 6 mm. Total height: approx. 20 mm. Material: metal, rubber. Box contents: 3 x screw adapters for camera strap