The day after exchange is shallow and I can not say it at all, but the feeling incorporated is perfect. After that, if there is durability, there is no complaint, but since I do not know what I will not use, the evaluation is also low.
It is used when the gap value is designated by a machine with large impact or vibration, but the one with small diameter is handy for shipping on the day so it is useful in case of a hurry. About the quality can be used with confidence in the manufacturer's products.