Check the listing for details. YN27C Rock Breaker Hammer Gasoline Rock Drill Drilling Machine Handheld Durable. Condition: New. Listed at 682.00 USD. Specification Material: Magnesium Alloy Color: Yellow Assembly Required: Yes Engine Type: Single-cylinder Air-cooled Two-stroke Gasoline Engine Carburetor Type: Floatless Ignition Type: SCR Non-contact System Engine Piston Diameter: 58mm/2.28in Engine Piston Stroke: 70mm/2.76in Engine Displacement: 185cm³/11.29in3 Engine Load Speed (Measured When Drilling Five Holes): ≥ 2450 rpm Drill Rod Idling Speed: ≥200 rpm Drill Pole Size(L*D): 60*2.2cm/23.62*0.86in Drill Rod End: Hexagonal Maximum Drilling Depth: ≤6 m/19.69 ft Fuel Tank Volume: ≥ 1.14 L/0.3Gallon Drilling Speed: ≥250 mm/ 9.84in/Minute Ratio of Gasoline to Lubricating Oil (by Volume): 8:1 Spark Plug Motor Clearance: 1.5mm/0.06in Impact Energy: ≥25J Working Temperature: -40~40℃/-40~140 °F Drilling Diameter: 20~42 mm /0.79~1.65 in.