Mr. S Cock Cylinders XXL - 4"+ - 5 Sizes

Mr. S Custom Cock Cylinders (4" or larger diameter)

Want to see your cock swell to its full potential? Our Mr. S Cock Cylinders are USA made and durable. The heavy duty acrylic means you get to watch your cock grow as you pump. Our cock cylinders are made to give you maximum enjoyment and use a unique process which results in a better seal and greater comfort.

Cylinders are 9 inches long and available in sizes 1-1/2" through 5".

Sizing and Safety

Your pump tube should be large enough to allow the tissue of your penis to expand, but not so large that it begins to pull your scrotum into the tube when pumping. Mr. S recommends a tube that leaves roughly a pinky’s width of gap between the outside of your erect penis and the inside wall of the tube.

To find the right size, wrap a string loosely around your cock when hard and measure the string's length. Then use the following guide to help determine the size cylinder you need. It's better to have a little room, so we suggest going up a size if you're unsure.

For information on pumping safely, click here.
Cylinder Dimensions

String Length	Cylinder Size	Cylinder #
5" (13 cm)	1.5" (3.8 cm)	TT100
5.5" (14 cm)	1.75" (4.4 cm)	TT100
6.25" (15.9 cm)	2" (5 cm)	TT100
7" (18 cm)	2.25" (5.7 cm)	TT100
7.75" (19.7 cm)	2.5" (6.4 cm)	TT100
8.75" (22.2 cm)	2.75" (7 cm)	TT100
9.5" (24.1 cm)	3" (8 cm)	TT100W
10.5" (26.7 cm)	3.25" (8.3 cm)	TT100W
11" (28 cm)	3.5" (8.9 cm)	TT100W
11.75" (29.8 cm)	3.75" (9.5 cm)	TT100W
12.5" (37.8 cm)	4" (10 cm)	This Page
13.25" (33.7 cm)	4.25" (10.8 cm)*	This Page
14.25" (36.2 cm)	4.5" (11.4 cm)*	This Page
15" (38 cm)	4.75" (12.1 cm)*	This Page
15.75" (40 cm)	5" (13 cm)*	This Page