product description:

Material: new pE material black

Name: Plastic inner plug

Shape: round

Size: standard size is the outer diameter

Unit: mm mm

Note: If the outer diameter is 12mm/16mm/19mm steel pipe, please select the specification of 12mm/16mm/19mm.

A steel pipe with a wall thickness of 0.5-2MM is more suitable. If it exceeds 2MM, it is necessary to trim the card position and then knock it in to make it stable!

Special note: All the dimensions of this link are marked as the outer diameter, and the parents need to purchase the corresponding plug specifications according to the outer diameter of the steel pipe.