Bird-X STS-10 Bird Spikes Stainless Steel 10'"BIRD X" BIRD SPIKES Bird X Spikes have been used on buildings and structures worldwide to eliminate the roosting and nesting surfaces of pest birds. Birds avoid landing on spikes as humans avoid walking on a bed of nails. These spikes are not lethal, just extremely irritating, intimidating, and uninviting. Features: 10' Five two foot strips Prevents bird roosting permanently Stainless steel spikes with polycarbonate base 302 grade stainless steel