K-2180P is twin hammer impact structure and/or pin with hammer structure is optional for different working; Special design for motor power; Steady and fast output; Clear multiple speed; Easy and efficient operation by one hand on forward and reverse; Handle exhaust; Ergonomic design; Comfortable grip; Housing material is made of recyclable composite; Environmental protection and durability; Light weight; Suitable for aftersale service of automobile, Assembly of motor cycle and various assembly lines for screw tightening and loosening; Also for construction steel structure, railway, ship machinery assembly.