BSTW EPA certification most professional bird spikes

Products Details:

bird  spikes on polycarbonate base, 5 ranges, 30 spikes on 30.5cm base(polycarbonate material, heat-resistant & anti-corrosion and achromophilous), technical data(protected area: 18cm, spikes thickness: Ø1.3mm,number of ranges: 5, number of spikes on 30.5cm base: 30, spike length: 12cm, material spikes: 304 stainless steel, technology: plugged, base length: 30.5cm, base width: 4cm, material base: polycarbonate), bulk packing

Features: 
Easy to install
High effective
Keeps nuisance birds away
Stops birds landing on buildings and fences
Contains 10x30.5cm length, with different rows spikes as requested.
General Information:
Bird Spikes are produced from the highest quality UV resistant GE produced plastic and the spikes themselves are made from premium grade stainless steel.
The product also incorporates a clever and innovative 'anti barging'design where the spikes cross against each other to stop birds potentially pushing their way through.
The spikes can be installed onto window sills, ledges, pipes,fences and other surfaces nuisance birds typically land on.
Directions for use: 
If using on a wooden or concrete surface,simply screw the strips into place using the holes provided.
If using on a plastic surface, the strips can be fixed in place with double-sided adhesive pads, or'no nails' type glue can be used instead.