| SKU | Info/Size |
| 6581A | 1" Drive Ret Ring® One-Piece Crush Gauge - 2" I.D. |
| 6582A | 3/4" Drive Ret Ring® One-Piece Crush Gauge - 1-3/4" I.D. |
| 6582B | 3/4" Drive Ret Ring® One-Piece Crush Gauge - 2-1/8" I.D. |
| 6582C | 3/4" Drive Ret Ring® One-Piece Crush Gauge - 2" I.D. |
| 6582D | 3/4" Drive Ret Ring® One-Piece Crush Gauge - 2-1/4" I.D. |