This is a Dynamite 3.5mm Suspension Arm Reamer, and is used to slightly enlarge the holes in a vehicles suspension arms so that the arms move freely on the hinge pins with no bind, and no excess play.

This reamer features a precision ground steel tip, ergonomic anodized handle, and rotating color coded end caps with printed wrench sizes. 

Features:

• Precision ground tips
• Rotating end cap with printed reamer size
• Ergonomic anodized handle