Popular U groove steel pulley wheel aluminum sliding door/window roller

• Material: steel
• Unit Price: 0.25$-0.45$
• Usage: sliding door and window
• Place of Origin: Zhejiang China
• Product description: 1) Popular U groove steel pulley wheel aluminum sliding door/window roller 2) Application: sliding door and window 3) Material:chrome steel/stainless steel bearing with nylon coated 4) Servic
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