1.Pancake design ,made of strong and light space material TITAL-919 alloy to improve the strength and life;
2.Wide application range. One power unit head can be used with several working heads, add-on reducer inserts or inter-changeable cassettes, no need for special tools;
3.360°swivel hose coupler. Completely free of space restriction;
4.Interchangeable working head covering all sizes, more safe;
5.Ultra-light, ultra-thin and big torsion fit for various highly difficult spaces.