The plate for your strapThe SIRUI camera plate TY-LP40 has a second 1/4 inch thread, which allows the attachment of a camera strap screw. This allows you to work on a tripod without removing the strap from the camera. It fits on all Arca-Swiss tripod heads. The rubberized support surface provides a secure grip.The TY-LP40 plate is suitable for compact, system and small DSLR cameras and strap systems e.g. from Carry Speed, Sun-Sniper, CUSTOMSLR, Black Rapid and others.