Strip thickness: 2mm Package: 100 pc (50 liner meters) in a box 1-row spikes covers a range of 4 - 5cm 2-row spikes covers a range of 10cm, amount of spikes per 50 cm bar: 32 3-row spikes covers a range of 15cm 4 - row spikes up to 20cm mm width against seagulls landings. 5-row spikes covers a range of 23cm 6-row spikes covers a range of 26cm Stainless steel bird spikes in 2-row spikes