This is the Speed Tip 5/64" Wrench from MIP.

FEATURES: Constructed of steel Can be used in power tools with an adjustable clutch

INCLUDES: Speed Tip 5/64" Wrench from MIP with instruction sheet

SPECS: Length: 4.3" (110mm) Tip Size: 5/64"  

BOX DIMENSIONS: 4.00" W. X .25" H. X 6.63" L. BOX WEIGHT: .05 LBS.