Primeturf galvanized steel 200 synthetic grass pin are strong and durable with corrosion-resistant properties. Each pin is 3mm thick and measures 150mm long with a 30mm u-shape top that sits above the ground. You only need one pin for every 30cm to 50cm of artificial turf and is ideal for all types of synthetic turf. Better still, you can also use the grass pins to pin down weed mats, frost fleece or even use them as tent and tarpaulin pegs. Economical and effective, the prime turf synthetic grass pins keep your artificial turf in perfect hold indefinitely. Comes in pack of 200.