COLOR: BLACK. The supplied print is black; render colors are illustrative. Spread a gentle twisting force over three cap-size openings. DIMENSIONS Base openings Ø28, Ø33 and Ø42 mm; opposing rib tips reduce clear spans to about 26.6, 31.6 and 40.6 mm. CONTENTS 1 printed pieces: 1 × nominal bottle cap grip. Material: PETG. SUPPLY SEPARATELY Closed bottle with matching cap; no universal fit. USE AND ASSEMBLY Choose the closest opening, check engagement and turn gently while holding the bottle. Not for safety-critical or stuck caps. Stop if slipping or deforming. Images are renders of the actual CAD. Geometry and reference slicing checked digitally; physical fit, finish and service life have not been established by those checks. Printed to order. Shipping and taxes are calculated at checkout. Design: João Lutz / JoaoLutzFilm, with AI assistance.