"The Neomicro permanent chuck with an exceptional holding force combines high quality with a favourable price.\r\n\r\nIt is simple and low maintenance clamping device..\r\n\r\nAnd is suitable primarily as an accessory to grinders intended for precise surface grinding of very small and thin parts up to large workpieces.\r\n\r\nIt is suitable for electrical discharge machining.\r\n\r\nApplication: Grinding, EDM Technology: Permanent Holding force: 100 N\/cm 2 Min.\r\n\r\nworkpiece size: 4 x 4 x 1 mm Poles: Transverse Regrinding limit: 7mm Pole pitch: T1.9 1.4+0.5 mm - steel\/brass"