Scheffland Music The Scheffy Guitar Tuner Clip On LIGHTENING FAST TRACKING so you'll be ready to play your instrument before everybody else in the band BRILLIANT BLUE COLOR, (bordering on purple), ensuring you'll be able to find it in an instant. No more fumbling around looking for your tuner IMAGINE USING WHAT THE TOURING PROFESSIONALS AND L.A.'s TOP STUDIO MUSICIANS ARE USING. You'll have one of the things that makes them sound so great, PERFECT INTONATION, and FAST! SUPER DURABLE DESIGN to withstand the rigors of the road insuring your tuner will last BACKED BY A 1 YEAR "NO QUESTIONS ASKED" GUARANTEE. If it doesn't work for ANY reason just return it for a replacement