Imitation Rhodium Plated and Gold Tone Enamel Giraffe Print Heart Celtic Knot Charm Bead. Imitation Rhodium Plated and Gold Tone Charms. Charm size is approx. 0.66 x 0.63 x 0.13 inches (HxWxD) including loop. Antiqued Celtic Knot Bead size is approximately 11.5 x 7 x 11.5 mm (HxWxD). Hole Size: 6mm. Celtic Knots have been used for decoration for centuries. This beautiful Irish linking knot is often used to express love for eternity. PLEASE NOTE: Our products are lead safe, but are not intended for children 14 years and younger.