I was wrong. Very wrong.
The most common complaint about larger 4.5-inch grinders is their head size. You cannot fit a 4.5-inch grinder between frame rails, inside a wheel well, or behind a dashboard. The shines in tight quarters. At just 3.5 inches in diameter, the wheel’s radius is only 1.75 inches from the arbor. This allows a die grinder to navigate complex geometries where angle grinders fear to tread. any cut 3.5
Users can import older projects into the 3.5 environment while preserving original layer names and color codes. I was wrong