The Stanley DynaGrip Mini Roller and Refill Set is suitable for use on smooth and semi-rough surfaces. The roller frame has a soft grip handle for extra comfort and control. The sleeves are made from polyester and foam which is ideal for gloss paint. The set contains:1 x DynaGrip Mini Roller Frame.2 x 100mm (4in) Mini Roller Sleeves. Specifications:Diameter: 6mm wire.Pile height: 11mm.