Tenga Spinner Beads Male Masturbation device. Spiral motion pleasure gear. One of Tenga’s most popular reusable masturbation toys has been the Tenga Spinner series. With a combination of quality and affordability for a reusable sex toy, this series also has a unique twist. Each Spinner has an internal coil that makes the Spinner twist as you insert, creating unbelievable sensations with each stroke. Tenga Spinner Beads is a spiral of bold, beads impacting tiles.Size 1.77 inches in depth by 1.77 inches in width by 5.11 inches. Insertion length stretches to approximately 6.73 inches. Insertion width inches stretches to approximately 2.15 inches.