Cutting Strips Each of our fence spikes can be cut into single strips or double strips if you have a smaller ledge to fix onto. All you need is a sharp knife (Not Included) and run along the line. You might find it easier to bend the spikes first. Box Details Fence & Wall Spikes Comes in a set of 10 x 50cm anti-climb security spikes Coverage: 45mm wide = 5m 30mm wide = 7.5m 15mm wide = 30m 10 lengths of 3 strips 15 lengths of 2 strips 30 lengths of 1 strip Made from High-Quality Material Made up of high-strength polypropylene material for high durability and superior protection Weather Resistant Design Protects your perimeter without effecting the appearance of your property.