Features: EJ45 (standard tension) It has achieved the balance of rich timbre, suitability and dynamic rhythm and is favored by many people Treble string.0280.0322.0403 Bass string.0290.0350.0430 It can achieve the balance of rich timbre, comfort and dynamic rhythm. The packaging is environmentally friendly and corrosion-resistant, with superior quality and performance EJ46 (high tension) It is popular for its rich timbre, better durability and strong penetration Treble string.0285.0327.0410 Bass string. 0300.0360.0440 It can achieve richer timbre, better durability and strong penetration. The packaging is environmentally friendly and corrosion-resistant with superior quality and performance Package Size:11x11cm Color:as shown Material:Phosphor copper Package included:1 pack(6pcs) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.