Hand sanding block with dust extraction, HSK-A 80x130 - Compatible abrasive 3-5/32 x 5-1/4 (80 x 133 mm); adapter for Festool hose; bypass adapter, weight 0.42 lb (0.19 kg). Hand Sanding Block - 496965. Includes 80mm X 130mm Hand Sanding Block - 496962. Festool 496962 80mm X 130mm Hand Sanding Block.