SPE DFG 400-2 petrol twin head floor grinder driven by a heavy duty gear box to ensure high productivity and reliability when floor grinding. Includes an adjustable dust extraction skirt which provides dust free operation when used in conjunction with suitable vacuums. The DFG 400 is fitted with 2 standard drive plates allowing the floor grinder to be used with carborundum blocks, wire brush blocks and diamond blocks all held in by wedges. Please note: Floor grinding blocks to be purchased separately.