Our keystones are available in 2 sizes depending on the size of the built archway.
Keystones
our
gallery
technical
Specs
| DESCRIPTION AND SIZE – mm | THICKNESS – mm |
|---|---|
|
Keystone 220 x 190 x 100 |
45 – 27 |
|
Keystone 400 x 380 x 230 |
53 – 30 |
