This is the Factory Team 7mm Nut Driver from Team Associated.

FEATURES: T-shaped aluminum handle with driver size etched in white for easy identification Shallow size for easy access in tight spaces

INCLUDES: Factory Team 7mm Nut Driver

SPECS: Length: 1.4" (35mm)  

BOX DIMENSIONS: 1.75" W. X .50" H. X 3.25" L. BOX WEIGHT: .03 LBS.