Round or oval holes up to 8 mm thick metal | A punch with which you can quickly and safely make holes up to 20 mm in diameter in metal up to 8 mm thick. Depending on the punch to be selected, either round or oval holes. | TECHNICAL SPECIFICATION: Nominal Battery Voltage: 18 V | Voltage LXT: ? | Brushless Motor: ? | Plastic Carrying Case: ? | Sound Pressure Level (LpA): 77 dB(A) | Noise Uncertainty (K Factor): 3 dB(A) | Vibration Level (3 axes): ? 2.5 m/s? | Vibration Uncertainty (K Factor): 1.5 m/s? | Tool weight with battery (EPTA): 10.5 kg | Product Dimensions (L x W x H): 417 x 127 x 315 mm | Bore (B): 6-20 mm | Battery Chemistry (Ni-Cd / Ni-MH / Li-ion): Li-ion | USER BENEFITS: Automatic punch return: After a punching cycle is completed, hydraulic pressure automatically pulls off the punch from work piece and returns it to the initial position to enable efficient continuous hole punching | Type of hole: Round hole / long hole | Battery protection system automatically shuts off power when the battery level is low. | Li-ion ? 18V ? 6.0 Ah x 2 ? DC18RD Ni-Cd battery for 7.2V tools | TECHNICAL SPECIFICATION – Battery: Average Charging Time: 55 min | Nominal Battery Voltage: 18 V | Voltage LXT: ? | Battery Chemistry (Ni-Cd / Ni-MH / Li-ion): Li-ion | Battery Capacity: 6.0 Ah | Battery protection circuit protects against overloading, over-discharging and over-heating