Lifestyle DOUBLE FRICTION square core drill spigot & dress ring Made from superior strength marine grade stainless steel, the Lifestyle square range enjoys the perfect mix of quality & strength. Innovative design enables easy installation with recessed friction plate. NB: Not designed for balustrade glass – POOL FENCE only NOTE: All stainless steel products require ongoing cleaning maintenance. To assist with product upkeep, it is recommended to use a proven stainless steel protective coating treatment, particularly where a SATIN finish is selected. EnduroShield Stainless Steel Protective Coating aids in the minimisation of ‘tea stain’ issues occurring on the stainless steel surface. See EnduroShield products:  ENDURO-SSRES and ENDURO-SSC-60 on this website ** Satin finish railing is recommended for indoor installations only. For external railing, consider high polish finish to minimise tea stain possibility.