[Length 4mm 4 pieces]
[Length 3mm 4 pieces]
[Length 2mm 4 pieces]
[Length 5mm 4 pieces]
Size: Inner diameter 0.2 inch (4.2 mm), Outer diameter 0.5 inch (12 mm), Length 0.2 inch (4 mm), Material: Aluminum material (A-2017), Quantity: 4 pcs. *For example, when replacing custom parts for space adjustment.