"A" LOK standards are manufactured from 48.3 mm O.D scaffold tube with bottom cups

and top lock positioned at 0.5m vertical intervals and allowing connection in four directions ,

the spigotless design allows the insertion of jacks with various adaptors or forkheads to

meet the requirments of differing support application .
Available in 3m , 2.3m , 1.8m , 1.5m and 1.0m .
Other sizes are available on request.