Sealey RE4011 Dust-Free Sanding Block 70 x 120mm Hook-and-loop fitting on foam backing plate. Durable plastic body with soft grip incorporating a 20mm outlet for connection to an extraction system. Suitable for use with popular dust-free sanding sheets. Hook-and-loop foam pad coupled to a durable plastic body, finished with an ergonomic soft grip Incorporating a 20mm outlet for connection to an extraction system Suitable for use with popular dust-free sanding sheets Model No RE4011