After heat treatment, the performance of the nut is improved and strengthened.
It's standard design and as long as it's standard tool you can operate on it.
Fine workmanship, with rubber gasket, not afraid of fall off.
Made of high quality aluminium alloy material, sturdy, durable and long service life.
With expansion design, to make the nail connected firmly, and the thread of the nut is resistant to friction and does not take off.
