Us netting bollard safety net, 4’l x 8’w net, fits 3-1/2-4-1/2 dia. Bollard, brsn-48-5 the package contains 8 size #5 rings that fit a bollard of 3 1/2 – 4 1/2 diameter bollard. 4’h x 8’w net to secure an area lined with existing bollards. All hardware included. The existing bollard safety net package safety adapts your existing bollards into a safety barrier. Rings slide directly onto your existing steel/cement bollards without the need for drilling or extra tools. Rings can have up to 3 anchor points for attachment and come with everything needed to secure an area. Polyester safety net is adjustable, safety orange, and stands 48 tall.