■材質(zhì): 黑色尼龍旋鈕及主體.擋片--鋼鐵、鍍鋅 ■Matorial: Zinc Alloy ■Matorial:Black nylon knob and body.Cam--Steel zinc plated ■轉(zhuǎn)動(dòng)旋鈕可調(diào)整擋片深度,達(dá)到門板壓縮密封效果,安裝迅速 ■Rotate the knob,can adjust cam depth,quick install
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