The tacwise master nailer 400els is a mains powered nailer that fires up to 40mm the nailer is angled for increased visibility and ideal for tight corners and secret tongue and groove nailing it ensures professional neat and quick tool firing of up to 30 nails per minute the master nailer 400els has an ultra quick release reloading system and a high capacity magazine it has a rubber nose protector and safety grip for safety it has a single shot trigger and a safety onoff switch ideal for many