These nails have a CE-marking and comply with the European standard EC 5. They are superb & sold at Fix Factory for a supreme price.
Powers Fuel pack 90mm BR-SM - 62170
Powers Wood Nails 51mm Ring Brit (3300) - 62020
Powers Wood Nails 63mm Ring Brit (per 3300) - 62075
Powers Wood Nails 75mm Ring Brit (per 2200) - 62130