Associated Spring Raymond T0511803751R Torsion Springs; Rod Size: 0 ; Coil Outside Diameter: 0.556 (Decimal Inch); Wire Diameter: 0.05100 (Decimal Inch); Maximum Torque At 1/2 Leg Length: 2.54 ; Leg Length: 2.0000 (Decimal Inch); Deflection Angle: 18