Comes in either 2 shapes, coned or cylindrical and of either two sizes, 10mm and 14mm. These bushings are printed from TPU with flex strength and durability. These make the best replacements as they are ecofriendly, biodegradable and recyclable. Each set of bushings require from 22 to 28 grams of filament. The shorter the lower bushing, the wider the turn and shallow tilt.