These stainless fittings are machined from 304 stainless steel.
The stainless joiner is perfect for joining 10mm - 13mm ID line. This is a stainless joiner used to join hosing together.
This particular size is perfect for joining our heavy duty silicon tube or even garden hoses.
This is a common size to suit 1/2inch hoses that are frequently used around the house in general.