HD-28-C 28mm捲簾制頭系列-C（雙制頭）

使用說明及性能：
此制頭適用28mm鋁管，採用進口琴鋼線。裝2個彈簧，可承重10lb的窗帘。拉力輕，手感好，壽命測試在15000次以上，適應於小型窗帘。

Instructions for use and performance:
This clutch applies to 28mm aluminum tube and two springs which are made of imported music wire. It can support 10 lb blind to work well and easy to cooperate. The lifetime more than 15000 so adapt to the small blinds.