Polycarbonate base with stainless steel anti-perch spikes for protecting problem areas from perching and roosting seagulls. Rust resistant and long life. Designed with spikes that are longer than gulls legs, making it impossible for them to perch or roost. Use on ridge tiles, walls, chimneys, tacks and ledges. Width 220mm. Spike length 150mm. Polycarbonate base with stainless steel anti-perch spikes for protecting problem areas from perching and roosting seagulls. Rust resistant and long life. Designed with spikes that are longer than gulls legs, making it impossible for them to perch or roost. Use on ridge tiles, walls, chimneys, tacks and ledges. Width 220mm. Spike length 150mm.