GSM100 - Pneumatic Drifter (also known as "Perforadora DSI" in Spanish) - New generation, more power. Drills 30% more than GSM90. An outstanding combination of power and smoothness, making it a reliable pneumatic hammer. Suitable to any kind of drilling machine. Extremely fast and low maintenance makes it a top choice for those who want to increase their production. Parts interchangeable with OSM MP100 Pneumatic Drifter.