Super Clamp with 1/4 and 3/8 Thread for Camera Light Stand Umbrella Tripod Mount
【ADJUSTABLE JAW】The jaw opens to max about 1.57" (40mm), and minimum 15mm. You can clip it on anything less than 40mm thick and more than 15mm. size:jaw opens to max about 1.57" (40mm). It's up to your imagination & inventive ideas.