The MPH37 Pick Hammer is the most common. It can be used by any tradesman but also by a simple handyman. This type of jackhammer also has a pellet distribution. The light metal handle is an innovation.
 
Versatile design and can be used for a variety of soft/medium to hard rocks like brick to concrete
Two-step trigger helps to maintain the chisel location at the start of the operation
Air cushioning system reduces the impact on the operator
Comfortable grip due to screw cap retainer
Ergonomic vibration reduction handle
Kick-latch retainer for quick tool change