Get a Three Year Warrenty, and 5 free tap holders with the purchase of this arm. 
 
Complete mobile package upgrade includes: 
Tapping arm,  tap-stand, 5 free tap holders, and $100 in tooling to OSG. 
 
Technical Stats
Working Range of 11”- 34”
Size 1 Quick Change Chuck
Taps 0 to 9/16" in mild steel
Max Torque: 28 ft-lbs
Speed Options: 400, 600, 1000, 1500, 2500, 5000