Equipment comparison
Compare the catalog references.
Review up to three equipment or parts references, then ask Knopp to verify the exact model, fit and project scope.
Decision view
Focus the comparison.
4 differing fields and 5 shared fields across these references.
| Compare | A · AR7Rolled Angle Flange Rings - Punched - 7" 7-1/8" 1-1/4 x 1-1/4 x 1/8 | B · AR4Rolled Angle Flange Rings - Punched - 4" 4-1/16" 1 x 1 x 10ga | C · AR5Rolled Angle Flange Rings - Punched - 5" 5-1/8" 1 x 1 x 10ga |
|---|---|---|---|
| SizeDifferent | 7" | 4" | 5" |
| Flange profile dimensionsDifferent | 1-1/4 x 1-1/4 x 1/8 | 1 x 1 x 10ga | 1 x 1 x 10ga |
| Inside diameter (ID)Different | 7-1/8" | 4-1/16" | 5-1/8" |
| Listed item weightDifferent | 2.00 lb | .850 lb | .300 lb |
| Your selection |
Compare one detail at a time. Letters match your selections below.
SizeDifferent
- AAR7: Rolled Angle Flange Rings - Punched - 7" 7-1/8" 1-1/4 x 1-1/4 x 1/8
- 7"
- BAR4: Rolled Angle Flange Rings - Punched - 4" 4-1/16" 1 x 1 x 10ga
- 4"
- CAR5: Rolled Angle Flange Rings - Punched - 5" 5-1/8" 1 x 1 x 10ga
- 5"
Flange profile dimensionsDifferent
- AAR7: Rolled Angle Flange Rings - Punched - 7" 7-1/8" 1-1/4 x 1-1/4 x 1/8
- 1-1/4 x 1-1/4 x 1/8
- BAR4: Rolled Angle Flange Rings - Punched - 4" 4-1/16" 1 x 1 x 10ga
- 1 x 1 x 10ga
- CAR5: Rolled Angle Flange Rings - Punched - 5" 5-1/8" 1 x 1 x 10ga
- 1 x 1 x 10ga
Inside diameter (ID)Different
- AAR7: Rolled Angle Flange Rings - Punched - 7" 7-1/8" 1-1/4 x 1-1/4 x 1/8
- 7-1/8"
- BAR4: Rolled Angle Flange Rings - Punched - 4" 4-1/16" 1 x 1 x 10ga
- 4-1/16"
- CAR5: Rolled Angle Flange Rings - Punched - 5" 5-1/8" 1 x 1 x 10ga
- 5-1/8"
Listed item weightDifferent
- AAR7: Rolled Angle Flange Rings - Punched - 7" 7-1/8" 1-1/4 x 1-1/4 x 1/8
- 2.00 lb
- BAR4: Rolled Angle Flange Rings - Punched - 4" 4-1/16" 1 x 1 x 10ga
- .850 lb
- CAR5: Rolled Angle Flange Rings - Punched - 5" 5-1/8" 1 x 1 x 10ga
- .300 lb
Source: imported owner catalog, formatted October 7, 2026. A blank or differing catalog field is not a compatibility decision. Knopp confirms manufacturer, exact model, capacity, accessories, availability, freight and installation for the written quote.