Extruded sink enclosure anodised finish hammond 531609 aluminium extruded enclosure ideally suited for mounting pcbs the single piece extrusion features a finned design to assist with cooling and is supplied with aluminium end panels and moulded plastic bezel t slots in the enclosure provide wide range of mounting options supplied anodised in either black or clear finish colour natural dimensions mm 100 x 90 x 51 hammond 531609 heatsink enclosures 100 x 90 x 51 natural