Individual Blocks (C) Semi Rigid RangeIf you would like to purchase individual blocks or create your own set, please select from the options & add to cart. Our semi rigid features a 6mm thick base with comfortable black foam handle. Size options: 1 x semi rigid 6mm thick x 150mm long base $30ea 1 x semi rigid 6mm thick x 250mm long base $60ea 1 x semi rigid 6mm thick x 400mm long base $80ea 1 x semi rigid 6mm thick x 600mm long base $140ea 1 x semi rigid 6mm thick x 850mm long base $170ea