Crafted from anodized 6061 CNC machined aircraft alloy. Designed to fit f-machine sex machines 10 mm thrust rod only. Adjustable toy position - pussy and ass separation. Utilizes 2 x vac-u-lock barbs 1 supplied originally with your f-machine and a second supplied in the double trouble kit (see picture). Please note: f-machine fucking machine and Doc Johnson vac-u-lock toys are not included (for illustration purposes only).