Manufactured with advanced technique, diamond circle wrenches can avoid damage to rads and bit. they are especially fit to screw up and off wire-line coring rods.
On diamond circle wrench, the diamond distribution is well-proportioned, and the diamond is wearable and hard to fall off.When using, the circle wrench won't slide, and it can avoid damage to tubes, therefore can prolong drill tools' life.
The diamond distribution is well-proportioned on diamond circle wrench, and the diamond is wearable and hard to fall off. The circle wrench won't slided when using, and it can avoid damage to tubes.We can also produce according to customer's requirements.
