第一精工は大阪市東成区にある「これがないと釣りができないわけではないがあればスマートな釣具」のメーカーです。

  • The material tensile strength of the Cushion Gum is 45 MPa (approximately 459 kgf/cm2) and its elongation is 500%.
    Keep in mind that the strength will drop due to the length, welding condition, and secular change of the gum and the condition of the swivel. The load capacity is 1.7 kg with a diameter of 1 mm, 4.3 kg with a diameter of 1.5 mm, 5.9 kg with a diameter of 2 mm, 8.6 kg with a diameter of 2.5 mm, 12.2 kg with a diameter 3 mm,17.2 kg with a diameter 3.5 mm, and 29.2 kg with a diameter of 4 mm.