Doctor Who Jewelry Sonic Screwdriver Pendant Necklace pendant is 1 3/4 inches tall, 1/4 inches wide, 1/4 inches deep (4.5 cm X 6 mm x 6 mm). pendant is made with silver plated brass and pewter materials and completed with the addition of a swarovski crystal bead. includes a free 18 inch silver plated brass chain necklace (45.7 cm), other sizes available upon request includes a free handmade origami gift box decorated with original TARDIS design