Two irresistible shapes for your penetrative pleasure! Both sounds are shaped like heavy-duty hardware, tempting you with a smooth, hexagonal nail and a spiral-textured screw. The flexibility and silkiness of the material ensures a comfortable insertion as it conforms to your inner curves. Fulfill your most hardcore fantasies with this dastardly duo! Made of premium silicone, these sounding rods are hypoallergenic and easy to clean with mild soap and warm water. Do not use with silicone lubricant. Measurements: Both sounds are 6 inches in length. Nail is .3 inches in diameter. Screw is .25 inches in diameter. Material: Silicone. Color: Black.