| Part # | Roller Series | Roller Type | Roller Adjustment Type | Housing Material | Mounting Tabs | Standard or Precision Bearings | Wheel Material | Wheel Diameter | Wheel Rolling Diameter | Wheel Profile | Wheel Profile Radius | Estimated Panel Weight | Suggested Market |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1973-4000-25 | 1973 | Tandem | Side Adjust - Cam | Steel | Standard | Standard | Steel | 1.25" | 1.00" | Concave Radius | 0.125" | 400 | Entry Level |
| 1973-4000-25SNE | 1973 | Tandem | Side Adjust - Cam | Steel | Standard | Standard | Steel | 1.25" | 1.00" | Concave Radius | 0.125" | 400 | Entry Level |
| 1973-4050-25 | 1973 | Tandem | Side Adjust - Cam | Steel | Standard | Standard | Steel | 1.25" | 1.00" | Concave Radius | 0.125" | 400 | Entry Level |
| 1973-8000-25 | 1973 | Tandem | Side Adjust - Cam | Stainless Steel | Standard | Standard | Stainless Steel | 1.47" | 1.25" | Concave Radius | 0.125" | 500 | Premium |
| 1973-8100-25 | 1973 | Tandem | Side Adjust - Cam | Stainless Steel | Standard | Standard | Composite w/Stainless Frame | 1.44" | 1.25" | Concave Radius | 0.125" | 300 | Premium |
| 1973-9100-25 | 1973 | Tandem | Side Adjust - Cam | Stainless Steel | Standard | Standard | Stainless Steel | 1.25" | 1.00" | Concave Radius | 0.125" | 400 | Mid-Level |
| 38.11.00.001 | 1973 | Tandem | Side Adjust - Cam | Steel | Extended | Standard | Steel | 1.47" | 1.25" | Concave Radius | 0.125" | 400 | Mid-Level |
| 38.11.00.003 | 1973 | Tandem | Side Adjust - Cam | Steel | Standard | Precision | Steel | 1.25" | 1.00" | Concave Radius | 0.125" | 600 | Entry Level |
| 38.11.00.009 | 1973 | Tandem | Side Adjust - Cam | Steel | Standard | Precision | Composite w/Steel Frame | 1.25" | 1.00" | Concave Radius | 0.125" | 300 | Mid-Level |
| 38.11.00.059 | 1973 | Tandem | Side Adjust - Cam | Stainless Steel | Standard | Precision | Stainless Steel | 1.25" | 1.00" | Concave Radius | 0.125" | 600 | Mid-Level |