Specifications:

Six-ear 325*300

Six-ear 325*600

Six-ear 325*660

Six-ear 325*900

Six-ear 325*1000

Six-ear 325*1200

Universal No Outer Net Bottom Hole (320*600)

Universal No Small Hole at the Bottom of External Network (320*660)

Universal No Small Hole at the Bottom of External Network (320*900)

Universal No Small Hole at the Bottom of External Network (320*1000)

Universal No Small Hole at the Bottom of External Network (350*660)

General no external network at both ends (350*660)

Universal No Outer Net Bottom Hole (350*900)

There is a small hole at the bottom reinforced with external net (320*600)

There is a small hole at the bottom reinforced with external net (320*660)

There is an external net reinforcement at both ends (320*660)

There is a small hole at the bottom reinforced with external net (320*900)

There is a small hole at the bottom reinforced with external net (320*1000)

Small holes at the bottom reinforced with external net (350*660)

There is an external net reinforcement at both ends (350*660)

There is a small hole at the bottom reinforced with external net (350*900)