Microfibre roller sleeve 4 pack with 10mm medium pile height. Long lasting rollers, 9 Inches wide with a 1¾" diameter core, these paint rollers are ideal for applications onto smooth surfaces. Microfibre is a high absorbant fabric, giving it excellent paint pick-up; speeding up painting and is ideal for applying thinner paints and treatments such as; oils, woodstains, primers, sealers, emulsions and varnish onto smooth to semi smooth surfaces. These rollers are manufactured using a Thermo-fusion process which heat bonds the Microfibre fabric to the inner plastic core, this ensures these rollers are long lasting as the fabric will not detach from the core. Compatible with all 9 Inch wide roller frames all 9 Inch roller frames on this site have a 1¾" core.