Vac-U-Lock 8 Inches Classic Dong Attachment. Experience endless possibilities with this 8 inches long Classic Dong! Featuring an extra veined shaft for out of this world stimulation. with a firm yet flexible design. Use with any Vac-U-Lock set or accessory. Specifications: total length 7.6 inches. insertable/usable length 7.6 Inches. width/diameter 1.6 Inches. Material PVC. Proudly. made in America.