9 " Acrylic Paint roller Especially suitable for the floor surface or shipyards . 1.Materials : Acrylic 2.Density: 950 g/ sq.m. (corrosion-resistant,Absorb more paint)3.Pile height: 11mm4.Out Dia : 15mm 5.Inner Dia : 6mm6.Size: 100mm7.Handle: 6mm, Chrome-plated/zinc-plated ; pp ; Yellow,Blue,Red,etc. 4" paint roller