Wire diameter: ∅ 2.80mm- ∅ 3.50mm
Applicable height: 100mm-260mm
Features:
It is packed in needle-punched non-woven bags, and high-carbon steel springs are refined by one-time quenching.
The spring hashigh spring strength and hardness, good fatigue performance, ultra-quiet design, and moderate sleepiness.
Fully release the pressure on the spine under the principle of ergonomics.
