It is cheap because it is in poor condition. Set of 4 TIGLON magnesium spikes Made from 100% pure magnesium, you can get a clear sound with reduced extra vibrations. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Accessories: none
Main specifications: thickness 10 mm diameter 33 mm weight 16 g/piece load capacity within 20 kg/piece (recommended)