• lock vials for best durability and accuracy to 0.0005/in
• MaxEdge bridged center vial for continuous marking surface and durability
• Single-piece, aluminum box beam structure for durability and accuracy
• Large ergonomic rubber overmolded hand grip
• Shock-absorbing end caps hold up to heavy use
• Non-marring side bumpers helps prevent damage to finished surfaces

Constructed from a one-piece of aluminum extrusion, the sturdy stanley fatmax (r) 48 in box beam level is designed for durability and precision leveling.