New instore are the Olfa Endurance Blade. We have been testing these out on the counter and LOVE THEM! We are now selling them in store and online, limited supply with more arriving later next week. They fit all Olfa 45mm rotary cutters.
Buy yours now at http://www.berrimapatchwork.com.au/quilting-notions/rotary-cutters or give us a call on (02) 48771382