Ernie Ball .036 Earthwood Phosphor Bronze Acoustic Guitar Strings 6 Pack (1836) SYF_612 Use the OH-5 when the

Use the OH-5 when the environment outside the case has a relative humidity of 25% or less

Featuring a single ply of 3mil film

If you own a guitar

Protects your wooden instrument against warping

Ernie Ball .036 Earthwood Phosphor Bronze Acoustic Guitar Strings 6 Pack (1836) SYF_612 Use the OH-5 when theBuy risk free with our 14 day full refund, less shipping, return policy. Check out our shop policies for more details. . 036 Earthwood Phosphor Bronze Acoustic Guitar Strings 6 Pack (1836) Ernie Ball Earthwood Phosphor Bronze Acoustic Guitar Strings are made from 92% copper, 7. 7% tin, 0. 3% phosphorus wire wrapped around brass plated hex shaped steel core wire providing a warm, balanced tone with excellent projection.