Block vials provide maximum accuracy of 0.0005 in./in. (0.5mm/m)MaxEdge™ bridged center vial for continuous marking surface and durability. Single-piece, aluminum box-beam structure for durability and accuracy.  

• Large ergonomic rubber over-molded hand grip
• Shock-absorbing end caps hold up to heavy use
• Non-marring side bumpers helps prevent damage to finished surfaces