Sold in packs (10 springs/pack). Sanwa sells three different kinds of OBSA-SP springs:
Soft Spring: 100g for "Beatmania".
Medium Spring: 200g for "UFO Catcher" Games.
Hard Spring: 400g for "Pop 'n' Music".
Packages are generally dispatched within 3-5 days after receipt of payment and are shipped via Japan Post. We will provide you with a link to track your package online. We advise you to group your items in one order, we cannot group two distinct orders placed separately. Padded envelopes and packing boxes are amply sized and your items are well-protected.
If your product(s) are faulty or gets faulty within 30 days after you got the package please contact us and we will help you.