# aabbMargin

> The distance used to expand AABBs in the broadphase dynamic tree, in meters. This allows broadphase proxies to move by a small amount without triggering a tree adjustment. This value is 0.05f * PhysicsWorld.lengthUnitsPerMeter. Normally this is 5cm.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine.LowLevelPhysics2D](/engine/6000.3/script-reference/unityengine/lowlevelphysics2d.md)
* **Assembly:** UnityEngine.Physics2DModule

```csharp
public static float aabbMargin { get; }
```