Tenga Spinner Tetra Geometric Tiles with Mild Edges Masturbator Pleasure Gear. Spiral motion pleasure gear for men. Go for a spin! An internal coil makes the Spinner twist as you insert, sending unbelievable sensations with each stroke! Enjoy a unique sensation like none other. Size depth 1.77 inches by 1.77 inches in width by 5.11 inches in height. Insertion length stretches to approximately 6.73 inches. Insertion width stretches to approximately.