Shell beam leg heights can be manufactured to suit your specific requirements to a maximum of 600mm in height.

0.4m Wide unit	0.6m Wide Unit
.dwg files	.dwg files
SEC-B4x4.dwg SEC-B4x6.dwg	SEC-B6x4.dwg SEC-B6x6.dwg
.pdf files	.pdf files
SEC-B4x4.pdf SEC-B4x6.pdf	SEC-B6x4.pdf SEC-B6x6.pdf