The Manfrotto 386B-1 Nano-Clamp is a super small universal clamp for tubes with a diameter of 13 to 35 mm. The two thread sizes of 1/4" and 3/8" at the back make the NANO-Clamp a mini Superclamp.
small, light and fits in your jacket pocket
newly designed gripping surface, patented, concealed thread system
Friction tape to improve grip on tubes and rods
9.5mm and 6.35mm female attachments for versatility