bird spike 302 stainless steel spike with polycarbonate base size:60cm L *15 cm W*11cm lastest bird spike ... spikeSpecifications and Product Details - Heights: Highest Point: 4.3" - Widths: Base: 0.8" - Widths: Spikes Widest Points: Regular: 5", Wide: 7 ... per 10' kit , 16 lbs per 100' kit - Materials: Base: polycarbonate with UV inhibitors, ST302 Surgical Grade stainless steel - Coverage: Each section ...