These are Quality Zinc Plated Steel 'Crimp On' HYDRAULIC HOSE FITTINGS (hosetails) to suit both one wire & two wire hose. These are a precision made and very robust hosetails.
They have been designed to be crimped on to either SAE100R1 or SAE100R2 Wire Braided Hydraulic hose (1 wire or 2 wire)
It is recommended you use calipers or verniers to achieve a precise measurement. We also have a JIC listing. JIC & BSP are the most commonly used fittings in Australia. However there are other, JIS, SAE, Metric etc etc. If you are unsure, please measure the outside of the male thread & send us the dimension.