Extended 285mm Madrid square core drill spigot with dress ring. Ideal where extra depth is required for core-drilling (through pavers to concrete). Suitable for POOL fences only (not balustrade). Designed for pool fencing load requirements Stainless steel 2205, a superior duplex stainless steel. It features elevated levels of chemical components enabling superior strength and corrosion/pitting resistance. Commonly used in harsh marine environments. Square shape with minimal visible fixings Modern 45mm front profile 285mm long plus M10 height adjustment bolt A contact point for earthing requirements if required Recessed friction plate for neat finish & ease of installation 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.