Powerslide Skate Spacer 6x10mm x1, Important for keeping skate wheels rolling smoothly and extending the life of bearings. 

• Brand: Powerslide 
• Model: Standard
• Type: Skate spacer
• Inner diameter: 6mm
• Outer diameter: 8mm
• Length: 10mm
• Quantity: 1pc
• Material: Aluminum
• Weight: 10g

These minimize friction in your bearings.

The sturdy aluminum construction lasts longer than other plastics.

This spacer is for use with micro (608 size) bearings and 6mm inline axles.