Classic 25/36/38 cordless automatic rising spring roller shutter system/with beam system with built-in limiter, the roller shutter automatically stops when it rises/falls to a fixed position
The heavy-duty K60-38 deceleration Wanxiang pull bead head kit adopts a metal core brake system, with a harmonica wire spring and high locking force. The metal core brake system is used for 10000 life tests
Heavy duty K60-38 fixed deceleration brake head kit
The heavy-duty K60-38 fixed deceleration pull ball head kit adopts a metal core brake system, with a harmonica steel wire spring and high locking force. The metal core brake system is used for 10000 life tests
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