1.size:3'' 2.color:black 3.width:24mm 4.installation height:99cm 5.lead screw black 3'' PU lead screw castorwe have with the brake and no brakes' PU lead screw castor,we can produce many kinds of rubber wheel,castor,platform hand truck,service cart,wheel barrow,hand trolley,inner tube,tyre flap ect,welcome to your inquiry.thanks! black 3'' PU lead screw castor