Ernie Ball Hybrid Slinky Flatwound Bass Guitar Strings, 45-105 Gauge (P02813) Ernie Ball Slinky Flatwound bass strings combine the smooth feel of traditional flats with the modern power of Cobalt. Applying the brightness and clarity of our proprietary cobalt alloy to a flat wrap wire gives rise to an innovative new bass string that features the tonal qualities of a roundwound with the silky smooth feel of a flatwound string. Gauges: 45, 65, 85, 105. Product Features Slinky Flatwound bass strings bring together the smooth feel of traditional flats with the power of Cobalt Cobalt alloy wrap wire delivers added clarity and output without the finger noise of a roundwound string Optimal core-to-wrap ratio ensures comfortable tension and playability Made in California, USA with the finest and freshest materials Gauges: 45, 65, 85, 105 Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!