This phot r adapter allows you to convert a 14 inch screw mounts onto 38 inch it can be used with tripods monopods telescopes ball heads etc this is an enlarger adapter with the installation screw facing outwards easier for mounting on top of a 14 male rather than inside a 38 female it can be used with tripods monopods telescopes ball heads etc camera convert screw adapter dimensions945 x 915mm diameter x h screw type14 20 male to 38 female conversion adapter scr