This SIRUI TY-70X quick release plate has a 1/4 standard thread for cameras and a rubber surface to prevent accidental slippage. The plate is compatible with the Arca Swiss system. The release plate has three slots, each of which can accept the 1/4 inch screw. The 1/4 inch screw can be secured with a coin or with the supplied Allen key. The plate also has a slot for attaching a wrist strap or other straps.