... .color:black,grey,white,gold,blue etc ,various per customer requirement Adjustable caster wheels, 50mm caster wheel with metal pin ... plastic2) Dia 30/40/50mm;3) With and without brake;4) Fixing with Metal pin, Screw stem or fixing plate as ... *38*1.5 / 38*38*2 /42*42*25)black, white, grey,silver ,gold ,blue or other colors are ... ; hand spring ; standard spring.ETC. 50mm caster wheel with metal pin