The Api+ GMT 29 Hollow (G29) is a high-quality gingival margin trimmer used primarily in restorative and prosthodontic procedures. Designed for beveling the gingival margin of a cavity preparation, especially in class II inlay and onlay preparations, it helps create a more accessible and clean margin, improving the adaptation of restorative materials. The instrument features a hollow handle design, reducing its overall weight for improved control and tactile sensitivity during clinical use. Its curved blade and lateral cutting edges allow easy access to interproximal areas and hard-to-reach margins, making it indispensable for achieving optimal cavity geometry. Crafted from surgical-grade stainless steel, the GMT 29 is resistant to corrosion and fully autoclavable, ensuring safe, repeated use in clinical settings.