Material: 3/4''*2.5mm out pipe; 1/2 ''*2.3mm inward pipe; hot-galvanized for the whole pens;
Feet: Solid steel for back feet with long lifespan,adjustable for flat installation; expansion bolt to fixate front feet;
Back dooor: 3/4''*2.5mm pipe, with a arc design and upturning structure;
Bottom bar: Transverse bars(Φ20 solid steel) at the bottom for feeders to stepping upon to operate;
Connecting bar: 4 pipes(1/2'' 2.0mm) and 2 erect pipe(1/2''2.0mm) for each unit;
Feature: More space for entering into the fence to operate.