Lockbloc 21 socket system for 76 and 114mm diameter steel bollards

To lock, insert bollard and rotate. To unlock, insert an 11mm triangle key, rotate the bollard, then simply lift the bollard out of the Lockbloc® 21.
100% galvanised with stainless steel internal mechanism for complete corrosion protection. The sockets provide stability and are tamper-proof thanks to the unique locking system.
Static galvanised lacquered central flush boss, drains naturally through sub surface gravel. A reservoir collects the accumulation of sand, gravel, etc. and can be removed for easy maintenance. The parts above ground level are lacquered in black.
For use with standard bollards and chain posts.
Please note that Lockbloc® 21 socket system does not include a bollard.

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