| COLOR | BLACK |
| FIRST COUNTERBORE DEPTH | 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM |
| FIRST COUNTERBORE DIAMETER | 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM |
| HOLE DIAMETER | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM |
| OUTSIDE/TOP FLANGE DIAMETER | 0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM |
| OVERALL HEIGHT | 0.438 INCHES MINIMUM AND 0.469 INCHES MAXIMUM |
| MATERIAL HARDNESS RATING | 55.0 DUROMETER MINIMUM AND 65.0 DUROMETER MAXIMUM |
| MATERIAL | RUBBER SYNTHETIC |
| SPECIAL FEATURES | CLOTH BACKING COTTON FIBER,WASHER STEEL |