Berken Solutions
15 Inch Between Frames,18 Inch Overall Width, R1.5
18 Inch Between Frames,21 Inch Overall Width, R3.0
21 Inch Between Frames,24 Inch Overall Width, R3.6
24 Inch Between Frames,27 Inch Overall Width, R2.7
27 Inch Between Frames,30 Inch Overall Width, R2.6
30 Inch Between Frames,33 Inch Overall Width, R3.0
33 Inch Between Frames,36 Inch Overall Width, R1.6
36 Inch Between Frames,39 Inch Overall Width, R1.4