Pure Tone Full-contact Output Jack for Guitar/Bass, with Mounting Hardware Go to amazon.com Related posts Top 10 stratocaster jack ferrule for 2020 Best electric guitar replacement parts for 2020 FeaturePure Tone has developed a high quality 1/4 inch two pole (mono) jack using a new patented design that improves upon and offers a more reliable connection than standard 1/4 inch jacks