RST50 is a hard anodised aluminium angle available in clear or black anodised with a fine serrated pattern. Compliance Complies with Section D, Access and Egress, of the NCC Complies with the Australian Standards AS/NZ1428.1:2009 Meets the requirements of the AS/NZ4586:2013 slip resistance classification & BCA D2.13. As part of the AS1428.1 there must be a 30% luminous contrast between the surface and the nosing. We can provide you with a Luminous contrast reading in order to make sure this is achieved. Material: Aluminium 320gr/metre Size: Outside Dimensions 10mm x 50mm Inside Dimensions 6mm x 48mm 3mm thickness Length: Available in 3620mm lengths or custom cut to required size Fixing: Fixed with a suitable adhesive to most sub-strates.