Make sure you have plenty of lube on hand, because this insertion is screwed up! This massive black dildo is uniquely shaped to be drilled into your hole for extreme pleasure! The firm, yet flexible material will feel unbelievable as you turn it while pushing, feeling the shaft and rounded ridge enter you inch by inch. A suction cup base makes it perfect for solo use, sticking to most hard, smooth surfaces, but it's also an exciting twist for use with a partner. How much of The Screw can you fit into you? Measurements: 12.5 inches in total length, 11.25 inches insertable. 2.5 inches in diameter. Material: PVC.