Attributes . control circuit 1.7 N.m 1-2.5 mm? flat ? 6 mm || control circuit 1.7 N.m 1-2.5 mm? Philips No 2 || control circuit 1.7 N.m 1-4 mm? flat ? 6 mm || control circuit 1.7 N.m 1-4 mm? Philips No 2 || power circuit 5 N.m 1-25 mm? hexagonal || power circuit 8 N.m 1-35 mm? hexagonal . Names