Lock mandrels for preventing both upward and downward movement |
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The Evolution ES-2 Lock Mandrel has two up-facing and two down-facing locking dogs to prevent both upward and downward movement. It has No-Go intrinsic to the lock mandrel itself. It has an external fishing neck. |
The Model EW-2 Lock Mandrel has two up-facing locking dogs to prevent upward movement and a No-Go shoulder to prevent downward movement. It has an external fishing neck. |
The Model SLX Lock Mandrel has two locking dogs to prevent both upward and downward movement. It has no No-Go intrinsic to the lock mandrel itself. It has an internal fishing neck. |