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OxBalls MasterJack Double Penetration Stroker in Clear Ice.
Reverse end of the MasterJack stroker showing the second opening.
Side view of the MasterJack stroker showing the textured exterior grip.
OxBalls MasterJack Double Penetration Stroker retail packaging.
OxBalls MasterJack Double Penetration Stroker in Clear Ice.
Reverse end of the MasterJack stroker showing the second opening.
Side view of the MasterJack stroker showing the textured exterior grip.
OxBalls MasterJack Double Penetration Stroker retail packaging.

OxBalls MasterJack Double Penetration Stroker Clear Ice

$143.95 - $143.95
$143.95
$143.95 - $143.95
$143.95

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Why You'll Love It

• Two different internal textures in one reversible sleeve.

• Ergonomic handle provides a secure grip during use.

• Soft Plus Silicone blend feels realistic and comfortable.

• Diamond-pattern exterior improves grip with lubricant.

• Thick, heavyweight design offers a satisfying feel in hand.

• Compatible with water-based and silicone lubricants.

• Durable, reusable and phthalate-free construction.

Who It's Best For

Ideal for anyone looking for a premium reusable stroker with multiple sensations in a single toy.

Great for users who enjoy switching between a tighter textured sleeve and a smoother, more relaxed stroking experience.

Specifications

Product Type: Reversible Masturbator / Stroker

Brand: OxBalls

Colour: Clear Ice

Material: Plus Silicone Blend (phthalate free).

Length: 14 cm (5.5 inches)

Width: 8 cm (3 inches)

Depth: 5 cm (2 inches)

Internal Diameter: Stretch fit from approximately 3–6 cm

Internal Shaft Length: 13 cm (5 inches)

Outer Circumference: 18 cm

Weight: 227 g (8 oz)

How to Use & Care

Apply a small amount of water-based or silicone lubricant inside either opening before use.

Use the tighter ribbed side for a more textured experience, or flip the sleeve over for a smoother internal feel.

Wash thoroughly with warm water and toy cleaner or mild soap after use, allow to dry completely and store separately from other toys.

The OxBalls MasterJack Double Penetration Stroker is a heavyweight reversible stroker designed with two distinct internal textures for different sensations. Its ergonomic handle and textured exterior provide a secure grip, even when used with lubricant, making it easy to control throughout solo play.

Made from OxBalls' signature Plus Silicone blend in the Black Ice finish, MasterJack combines a soft, fleshy feel with exceptional stretch and durability for a premium stroking experience.

Features:

  • Reversible stroker with two unique internal textures.
  • One tighter ribbed entry for more textured stimulation.
  • One wider opening for a smoother, more relaxed feel.
  • Ergonomic integrated handle for improved grip and control.
  • Diamond-pattern exterior provides extra grip during use.
  • Soft, stretchy Plus Silicone blend with a velvety finish.
  • Compatible with water-based and silicone lubricants.

FAQ

What does "double penetration" mean on the MasterJack?

MasterJack is a reversible stroker with two different openings and two unique internal textures, giving you two sensations in a single toy.

What's the difference between the two openings?

One side features a tighter ribbed entry for a more textured feel, while the reverse side offers a wider opening with a smoother internal tunnel.

What material is MasterJack made from?

MasterJack is made from OxBalls' soft Plus Silicone blend, offering a stretchy, realistic feel while remaining durable and phthalate free.

Can I use lubricant with MasterJack?

Yes. MasterJack is compatible with both water-based and silicone lubricants for a smoother, more comfortable experience.

How do I clean the MasterJack Stroker?

Wash the sleeve inside and out with warm water and toy cleaner or mild soap after each use, dry thoroughly and store separately from other toys.