Designed and manufactured by Shapers Australia; The Shapers Blocks are widely considered as the Industry Standard, used by Surfboard Shapers all over the globe. The Shapers Blocks are superior to traditional shaping blocks with the major benefits including: Light, practical and comfortable designs; Supplied in 3 different foam densities to suit each stage of surfboard shaping (soft, medium and hard densities); All of our Shapers Blocks are manufactured in Australia using quality, long lasting material; Complete range of interchangeable Velcro Sanding Sheets and Gauzes; Significant saving in labour time - fast interchange of velcro grits. Hard Density: Ideal for the fast and effective removal of foam and therefore recommended for use with 36#, 40# and 60#. For those shaping Expanded and Extruded Polystyrene, 36# is very effective.