Ernie Ball Cobalt Regular Slinky Bass Set， .050 - .105<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Cobalt provides a stronger magnetic relationship between pickups and strings than any other alloy previously available </span></li><li><span class="a-list-item"> Patented technology brings a new definition to “low end” capabilities Soft and silky to the touch </span></li><li><span class="a-list-item"> Element Shield Packaging Prolongs string life and keeps strings as fresh as the day they were made </span></li><li><span class="a-list-item"> Made in California， U.S.A. Featuring the finest and freshest materials. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51ewjsKhW2L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/619lMMcWxXL.jpg" noproxy>