プロト577-RR07523 0.75では。。溝にリング1.44の保持ドライブ

商品説明

This action pinches the small fin or the crush gauge on these retaining rings.

They are not"tended to bear any load.

The rotational forces are between the drive tool and the socket.

The resin crush gauge on the pin helps"dicate when a socket is excessively worn and should be.