Worksafe-WDH450-Premium-Blue-WDH-Diamond-Blade-450-x-25mm-Worksafe-WDH450-Suitable-for-cutting-hard-materials-including-concrete-with-flint-over-10NM-engineering-bricks-hard-facing-bricks-hard-concrete-kerbs-&-slabs-lintels-clay-paviours-&-pipes-Portl&-stone-York-stone-&-most-hard-materials-Worksafe-WDH450-Premium-Blue-WDH-Diamond-Blade-450-x-25mm