Vac-U-Lock Modular System Realistic 8 inches Black Dong. Take in all 8 inches of this realistic cock Vac-U-Lock attachment. The bulging veins, plush balls, and hand painted detail will have you falling in love! Vac-U-Lock Attachment Realistic 8 inches Dong. Solid realistic dong measures 8.25 inches long by 1.5 inches to 2 inches wide. Compatible with Vac-U-Lock Sex System. Made using phthalate free, non-toxic materials: Sil-A-Gel, PVC. Color Black. Details: Circumference 5.65 inches. Dimensions 8.40 inches length, 1.80 inches width, 4.40 inches depth. Insertable length 7.50 inches. Vac-U-Lock Modular Sex System Attachment from Doc Johnson Novelties the Great American Toy Company. Made in the USA.