NOKIN SOLID GLASS ROAD STUDS NOKIN 1 NOKIN 2 NOKIN 3 NOKIN 4 NOKIN 5 NOKIN 7 Diameter Ø 50 mm Ø 50 mm Ø 100 mm Ø 100 mm Ø 50 mm Ø 75 mm Comply with EN NEN-EN 1463-1 & 2 NEN-EN 1463-1 & 2 NEN-EN 1463-1 & 2 NEN-EN 1463-1 & 2 In progress Specially developed for mounting in con-crete and asphalt. NEN-EN 1463-1 & 2 Compressive strength 27 ton 27 ton 80 ton