Knuckle Jar
Knuckle Jar is similar in construction to the Knuckle Joint. The Knuckle Jar design incorporates a length extension of the socket that allows the ball to move vertically for light jarring.
|
Tools O.D. |
Fishneck O.D. |
Connection Type |
Standard Stroke |
|
1.250＂ |
1.187＂ |
15/16＂-10UN |
2＂ |
|
1.500＂ |
1.375＂ |
15/16＂-10UN |
|
|
1.875＂ |
1.750＂ |
1 1/16＂-10UN |
|
|
2.125＂ |
1.750＂ |
1 1/16＂-10UN |
|
|
2.500＂ |
2.313＂ |
1 9/16＂-10UN |