คุณลักษณะ

• The mouth part has a shape that is easily grasped by engineering, and it can be grasped firmly.
• Because it is not a nut and bolt joint like the conventional one, it can be moved smoothly.
• The blade part is subjected to high frequency quenching and lasts for a long time.
• The grooves are not cast but cut, making them hard to slip.
• For tightening and removing pipes and nuts.