Power Transmission Products By BokWin

• Material: The pen replacement spring is made of high quality stainless steel with smooth and burr-free surface and good mechanical properties.
• Good Elasticity: The strong compression springs is formed in one piece, with high ductility and durability.
• Application Range: Click spring are widely used in toys, ballpoint pens, electrical appliances, furniture, offices and other fields.
• What You Will Get: Package contains 10 pieces of coil extended compressed spring, wire diameter 1.2mm/0.04\", outside diameter 12mm/0.47\", length 50mm/1.97\".
• Quality Assurance:BokWin is committed to providing cheap and cheerful item for customers. We will continue to improve our products and services to bring you high-quality shopping experience.