OX Tools OX-T161330 OX Trade 3/16" Hard Plastic Spacers 'T' (Pack of 500) Go to amazon.com Related posts Top 15 recommendation tile spacers 3/16 FeatureHard plastic - does not compress3/16" are hollow allowing thin set throughCan be used as leave-in spacer DescriptionOX Trade Tile Spacer - Hard 'T' | 3/16" | 500 pcs/bag , 3/16 are hollow allowing thin set through, Made in China