10pcs M4 Hex Aluminum Standoff Spacer For RC Parts aluminum Rods Screws Hex Aluminum Pillar M4*12/15/20/25/30/35/40/45/50/60

10pcs M4 Hex Aluminum Standoff Spacer For RC Parts aluminum Rods Screws Hex Aluminum Pillar M4*12/15/20/25/30/35/40/45/50/60

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