GPW-215C is modified based on popular wet air grinder GPW-215. It will accept 5" diamond blade, and are used for wet hand cutting of granite, marble and concrete up to 1-1/4" in thickness. Blade Dia. : 5" (125 mm) Saw Blade center bore size. : 20 or 22 mm Max. Cutting Depth : 30 mm (1-1/4") Max Speed : 11,000 rpm Horse Power : 0.61 HP Net Weight : 2.01 kgs (4.5 lbs) Length : 380 mm (15") Air Cons. : 0.60 m3/min (20 CFM) Air Inlet : 1/4" Hose Size (I.D.) : 6.5 mm Sound Pressure : 92 dBA Vibration : < 2.5 m/sec2 Air Pressure: 90 psi