RC Full Copper Hydraulic Oil Pipe Connectors For 1:14 RC Metal Excavator Metal Boom Accessories Machining center processing, high precision, beautiful appearance, good use effect. 4 mm outside diameter， 2.8 mm inside diameter Due to the contact with air, the appearance of some copper pipes will be slightly blackened by oxidation. You only need to gently wipe with sandpaper, and the appearance will become bright. Note: Manual measurement, there is a slight error in the size, so if you worry about it, please don't buy it.

مواصفات المنتج