A dozen of these identical adapters is part of the shipment, and the price of this set is very low. But it would have been better to find a wider range and a more diverse choice in the same shipment or packaging. In fact, it is good to adapt to several cases because problems arise when the nut or screw does not match (1/4, 1/8, 1/16 etc.) Whether for a Photographic camera, a camera, a projector, any accessory from abroad, which has a caliper to check what dimension he is dealing. Between the English measures and standards, consumers can get lost.
