Gottsu produces a focused range of saxophone mouthpieces, including models influenced by classic designs such as the Selmer Soloist mouthpiece. Their lineup features popular series like the Jazz Soloist, Sepia Tone Master, and Double Ring, alongside original designs in both metal and hard rubber. Known for their meticulous craftsmanship and attention to detail, Gottsu mouthpieces are favoured by players seeking the warmth, projection, and response associated with sought-after vintage pieces, combined with the consistency of modern manufacturing.