
basement or patio; Grinds down concrete high spots Ltd. the double row diamond matrix is comprised of hardened steel and embedded diamond fragments for fast and efficient removal of thinset grinding with two plates. The machine speed can reach up to 1200 rpm. Gear driving and Aluminum alloy gear box with high reliability and high stability. It has 595 mm grinding areas and can meet the needs of small area construction. Specifications: 7.5HP/5.5KW ABB motor. Voltage: Single Phase.The highest quality and most inexpensive concrete grinder on the market is the Concrete Genie - a 3 in 1 combo; Grinder