High-precision gel nail forms and nail forms for acrylic nails & Gel Nailsour patented sandwich structure uses Top Mold + Bottom Mold [press-fit] the extensions to create a cleaner C-shaped curve, perfect symmetry, and is less likely to overflow gel than paper models/traditional nail forms.FeaturesSandwich precision: Top/Bottom molds lock alignment so the extension doesnt drift; you get consistent formed nails with minimal refinement.Two pro shapes in one kit:W555 Thin Trapezoidal crisp sidewalls and a sleek, modern silhouette.W557 Oval soft transitions that mimic natural nail plates.014 full sizing (Top & Bottom paired): snug sidewall fit reduces seepage and lifting.Fast demold, cleaner edges: polished interiors pop off after curing; edges are smooth with less finish filing.Works across systems: equally effective as nail forms for gel nails and nail forms for acrylic nails (hard gel, poly/extension gel, acrylic).