SPECS
| Model # | HA4031L | HA4131L | HA4231L |
| Description | 1/4" Air Palm Sander | 1/4" Air Palm Sander | 1/4" Air Palm Sander |
| Free Speed | 10000rpm | 10000rpm | 10000rpm |
| Air Inlet (NPT) | 1/4" | 1/4" | 1/4" |
| Air Hose (ID) | 3/8" | 3/8" | 3/8" |
| Overall Dimension | 10x6x4.5 inch | 10x6x4.5 inch | 10x6x4.5 inch |
| Net Weight | 2.21lbs | 2.34lbs | 2.43lbs |
| Rated Pressure | 90 psi | 90 psi | 90 psi |
| Free Air Consumption | 450 L/min | 450 L/min | 450 L/min |
| Orbit | 3/32 inch | 3/16 inch | 3/8 inch |
| Pad Diameter | 6 inch | 6 inch | 6 inch |