Bird barrier bird-flite narrow bird spikes, 100 ft. – bp-f1100 bird-flite has a polycarbonate base and stainless steel spikes. It is available in three widths, to accommodate varying surfaces. Each section is 1 ft. Long. Don’t use where birds are nesting. features where to use: ledges, parapets, signs, beams, pipes, chimneys, cut-outs, security cameras, lights, etc. target bird: pigeon and larger bird pressure: medium (do not use where birds are nesting) material: stainless steel and polycarbonate installation: base is glued or screwed to any surface installation level: easy