Interference, check the item again, the User provides a helpline with a A-PT1/8? Yes, according to the Catalog specification attached.If there is no extension, A-PT1/4, I THK this.
User bothering to check the numbers again with my product is A-PT1 / 8 or according to specification Catalog attach it if it is A-PT1 / 4 THK's not it.