Specification:
Quantity: 4 pcs
Colour: Black
Size: 1/4 inch female to 1/4 inch female, diameter: 16mm/0.62inch, height: 18mm/0.7inch
High quality: Made of high quality aluminium alloy, durable, rust-proof, light weight and easy to carry.

Features:
Widely used: barrel nut for camera tripod accessories.
Easy to install and remove: clear and accurate threads, not easy to slip during use, even force, easy and stable installation.

Warm tips:
All data are measured manually, please understand if there is any error.