it is light weight and durable.
D-ring with flat head screwdriver slot, can drive it by coin.
You don't need to worry there is no spanner.
The screw could be used with tripods, monopods, telescopes, ball heads, lens collars, lens plates etc.
colour:Silver
Material:metal
size:for D-ring Screws:3/8 inch
Total length including base: 16.2mm(0.64 inch).
Total shaft length: 13mm(0.51 inch).
Threaded part of the shaft: 7mm (0.27 inch).
No thread part of shaft:6mm(0.24inch).
Package Contents:
2* Fixing screw adapterOnly the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.