Special string: The partially ground bass-strings (PSP = Precision Smooth Polished) of the 850th series reduce unwanted sounds when switching the fingers at playing. ;Perfect for studio recordings and at usage of Piezo-pickups;The string is normaly wound, the windings are just partially ground to get a powerfull, rich overtone. Not to be confused with flat wired strings!;Made in Germany;High Tension;E-1: 7,5kg/16.53lbs;H/B-2: 6,2kg/13.67lbs;G-3: 6,7kg/14.77lbs;D-4: 7,6kg/16.76bs;A-5: 8,0kg/17.64lbs ;E-6: 7,8kg/17.2lbs;