Yellotools FeltBlocs are ideal for applying adhesive films on uneven or slightly structured surfaces such as corrugated or riveted panels. These handy application tools quickly become indispensable for installations on facades and walls or for the application of privacy films, as they gently and carefully sweep over the surface and do not scratch it.A FeltBloc is ideal for applying punctual pressure to the material, so that even poked air bubbles can be squeezed out more easily. In addition, these felt squeegees are also perfect for wet application purposes.