M3x10mm Female Thread Hex Aluminum Pillar Column 10pcs for Quadcopter Country of Manufacture: CHINA; Material: Aluminum Net Weight: 7g; Package Content: 10 x Hex Aluminum Column Main Color: Black; Total Length: 10mm/ 0.4" Female Thread Dia: M3; Dual Ends Hex Size: 6mm/ 0.24" Pillar Shaft Dia: 4.8mm/ 0.2"