The RS 300 Speaker Stand Ranges are manufacture by the craftsman at Custom Design. The design includes laser precision, hand finished 4mm steel top and base plates combined with zinc plated M8 fixing bolts for total integrity and joint rigidity. Hand polished steel plates connect to an ERW BS EN 10305-3 Steel 76mm tube, reflecting the attention to detail and standards of quality that Custom Design provide to all of their customers. We also manufacturer our world renowed Inert Acoustic Steel and Aluminium products.Custom Design are proud to present the Award Winning RS 300 Speaker Support Stand Range. The RS 300 Speaker Stand Range combine strength with rigidity and the base model of the RS 300 Speaker Support Stand Range.Through design and modern manufacturing technique, Custom Design have created a discrete, rigid speaker support stand with an initial mass of 10kg. Mass loading the support columns with Inert Filler adds a further 7kg to the final mass, we recommend at least 2 bags of Inert Filler per column, enhancing the performance of your RS 300 Speaker Stands. Inert Acoustic Top and Base plates are an optional extra upgrade and so are the aesthetically pleasing 6mm Clear Glass base plinths manufactured to BS EN 12150-2.The multi award winning RS 300 speaker stand support range have significant initial mass and final mass properties. When combinded with inert Acoustic Top and Base plates the reduction in resonance vibration noise is significant, resulting in an improved preformance and sound quality. Please visit our Acoustic Steel page to view the graph demonstrating which frequencies of resonance vibration noise are absorbed by each process and the combination of Acoustic Steel top and base plates with our specailly selected Inert Filler.RS 300 Speaker Stands complete with Acoustic Top and Base Plates optional extra Acoustic Top Plates are £39.99 per pair when purchased separately. Acoustic Base Plates are £49.99 per pair when purchased separately.Top Plate Support 165mm x 180 x 4mm Supplied as Standard (optional 140 x 180 x 4mm on Request)Acoustic Steel Top Plate optional Extra Base plate dimensions 220 x 260 x 4mm Steel 6mm Clear Glass Bases are manufactured to British Safety Standard BS EN 12105-2 and £20.00 extra per pair M8 Zinc plated Base isolation spikes supplied standard Heights available 510mm (20") and 610mm (24") Custom Heights available on request. Standard finishes are Mercury or Black, Chrome and Brushed Chrome support column optional extra. Inert Filler optional extra £4.99 per bag or £34.99 for box of 8 Standard Heights available 510mm and 610mm (Not including Base Isolation Spikes)Chrome and Brushed Chrome support columns only available in the 610mm height option. RS 300 - 990mm (39") High 6mm Clear Glass Bases are £20.00 extra per pairmage above: RS300 in Black with optional solid Aluminium Floor Protectors £39.99 set of 8Image above: RS300 in Mercury with optional solid Aluminium Floor Protectors £39.99 set of 8Image above: RS300 in Mercury with Glass Base - optional solid Aluminium Floor Protectors £39.99 set of 8Glass Base Optional Extra.Image above: RS300 in White with optional solid Aluminium Floor Protectors £39.99Image above: RS300 in Chrome with optional solid Aluminium Floor Protectors £39.99 set of 8Chrome Column support optional extraImage above: RS300 in Brushed Chrome with optional solid Aluminium Floor Protectors £39.99 set of 8Brushed Chrome column support optional extraImage: Inert FillerSpeaker Stands, Speaker Stand Supports Designed and Manufactured by Custom Design (All Design Copyright Custom Design 2016)Speaker Stands HiFi Supports HiFi Stands HiFi Tables HiFi Furniture Designed and Engineered by Custom Design in the UKHiFi Stands HiFi Supports HiFi Table HiFi Furniture HiFi Accessory Speaker Stand Specialist Manufacturer for 30 years.