Inner diameter 10mm
Sold in packs of 2 with corresponding screws.
Note: This retail has a processing and shipping time that can take 6-8 business days, not including the date of purchase or transit times. Base shipping starts at $10.99 but product will always be shipped the cheapest method available and overages over $2 will be refunded when order is processed and ship label purchased. International orders will be invoiced separately for shipping when order is processed.