Nail Forms for Builder Gel, 240PCS Sandwich Dual & Long Coffin Nail Extensions, 15 Sizes Reusable for Polygel Acrylic, Salon & Home DIY

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Sandwich Dual Design for Cleaner Shaping: These nail forms for builder gel use a top-and-bottom mold structure to help hold gel in place while curing, making long coffin extensions easier to shape with less overflow and less reshaping than paper forms
Fast Extensions with Long Coffin Guide Lines: Built-in guide lines help control length and symmetry for a crisp coffin look. The clear form design makes placement easier to see, and the cured form releases cleanly for minimal filing before finishing
240PCS in 15 Sizes for a Better Fit: You get 15 numbered sizes with upper and lower forms to match narrow, medium, and wider nail beds more easily. The reusable set is organized for quick picking, helping speed up repeat sets at home or in the salon
Works with Builder Gel, Polygel and Acrylic: Use these dual nail forms to create extensions, refine structure, repair a broken corner, or practice French designs. Choose the closest size and apply even pressure to get the smoothest result
Made for DIY Practice and Salon Use: Whether you are learning at home or working with clients, these reusable nail extension forms help simplify the process for full sets, refill practice, photo-ready manicures, and everyday nail art routines