Petzl Helmet Adapt Mounting Plate One Size. Specifications for Petzl Helmet Adapt Mounting Plate: Manufacturer: Petzl Size: One Size Weight: 20 g Features of Petzl Helmet Adapt Mounting Plate Easily mount a headlamp on a helmet while maintaining the ability to tilt the headlamp Compatible with the ARIA PIXA (2025 versions and later) SWIFT RL (2023 versions and later) and XENA headlamp ranges Package Contents: Petzl Helmet Adapt Mounting Plate Petzl E073AB00: Helmet Adapt Mounting Plate One Size