Push the limits for some jobs you donrsquot know where the edge is until yoursquove already gone over it thatrsquos why we push to the edge and beyond with a rigorous ldquotest to failrdquo methodology during development and third party certify our products to meet military standard mil std requirements built with a backbone this notebook can take some serious punishment thanks to its rigid magnesium alloy backbone and shock absorbent ultra polymer materials nothing gets under