Mr. S Leather

Mr. S Cock Cylinder - 15 Sizes

Our Mr. S brass hand pump and acrylic cylinders are USA made and totally durable. Pump up your dick and suddenly it feels like someone else's cock in your hand.

Mr. S Cock Cylinder - 15 Sizes

Cylinder only. Hand pump, pump cushion, and other accessories sold separately.

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".

Cylinder Dimensions

String Length
(Circumference)
Cylinder Size
(Inner Diameter)
5" (13 cm) 1.5" (3.8 cm)
5.5" (14 cm) 1.75" (4.4 cm)
6.25" (15.9 cm) 2" (5 cm)
7" (18 cm) 2.25" (5.7 cm)
7.75" (19.7 cm) 2.5" (6.4 cm)
8.75" (22.2 cm) 2.75" (7 cm)
9.5" (24.1 cm) 3" (8 cm)
10.5" (26.7 cm) 3.25" (8.3 cm)
11" (28 cm) 3.5" (8.9 cm)
11.75" (29.8 cm) 3.75" (9.5 cm)
12.5" (37.8 cm) 4" (10 cm)
13.25" (33.7 cm) 4.25" (10.8 cm)*
14.25" (36.2 cm) 4.5" (11.4 cm)*
15" (38 cm) 4.75" (12.1 cm)*
15.75" (40 cm) 5" (13 cm)*
Cylinder only. Hand pump, pump cushion, and other accessories sold separately.

Safety & Sizing

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 cylinder size you need.

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