Known for the superb build quality and sound of their guitars, Taylor's commitment to excellence goes into every product that bears Bob Taylor's name. Taylor Premium Darktone 346 Thermex Pro rounded-triangle guitar picks are designed to coax a warm tone from your strings. Thermex is a special material designed to enhance your guitar's lower tones. They sit comfortably and securely between your fingers without slipping and produce a nice balance of warmth and sparkle from your strings.