Empire E70.48 True Blue Professional Aluminum Box Level Features- Solid block acrylic vials resist breaking, leaking and fogging and are 400% stronger than standard vials- 300 degree view True Blue vials with top-reading window for easy readings- Accurate within 0.0005 in. in all 10 level and plumb working positions- Heavy-duty 6061 T5 aircraft aluminum chassis provides durability and precision- eLock center vial system mechanically locked in place and secured with proprietary two-part ePoxy- Removable eShock Pro impact absorbing accordion style end caps- Precision milled Accu-Edge2 frame profile for greater accuracy and precision - One piece ergonomic rubber hand grips for a secure hold * We ship nationwide