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The original high grade, 4 place Silicone Sierra Style mold for "Tube-in" clear casting. The Sierra style mold is compatible with dozens of pen kits! Dimensions below;

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CAST YOUR OWN PEN BLANKS! **THE ORIGINAL HIGH GRADE, 4 PLACE SILICONE JR. GENT PEN MOLD!**   Would you like to try your hand at casting your very own clear...
Silicone Mold


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Would you like to try your hand at casting your very own clear cast pen blanks? This is a great place to start. Through a process called "Tube-in" casting, you can attach small objects or items or materials to the brass tube. Things like snakeskin, decorative papers, decals, stamps, carbon fiber, fiberglass braiding or any other object or material you can think of! You can cast up to 4 blanks at a time and each mold comes with 8 silicone plugs that are used to plug the tube ends as well as to suspend them in the mold. They are reusable for many castings and provide a great way to seal each end of the tube. The molds are great for using in a pressure vessel and you can do so without worrying about resin leaking into the tubes. The plugs can be used with several different tubes as long as they are close in size.
Each mold is hand crafted and poured using premium silicone rubber. We use a process called "de-gasing" with specialized vacuum equipment to ensure that each mold is air-bubble free and will have a long life. These molds will produce four beautiful crystal clear blanks that are ready for squaring up and turning! Don't be fooled by more expensive copy-cat four place molds! This is the original, high quality 4 place Silicone Tube-In Mold!
** A word of caution; These are not meant to be used for "Tube-In" color casting with pigments and dyes. If you do so, your results will be less than desirable. They are meant for clear Tube-in casting **
This specific mold can be used with any "Sierra Style" pen kit, aka, Sierra Vista, Sienna, Gatsby twist BP kit, Sedona, Apprentice Classica Twist Kit, Nautical Twist Kit, Gearshift Kit, Phoenix Rising Twist Kit, Vertex Magnetic Kit, PSI Southwest Twist Kit, Wall street II Twist BP, Elegant Beauty Twist BP Kit, Lancer Twist Kit, Virage Twist pen kit, PSI Art Deco Twist pen kit, PSI Majestic Squire Twist pen kit, PSI Naouveau Scepter Twist pen kit, Artisan Aero pen kit as well as many, many other pen kits including any of the various Bolt Action kits. As long as the tube length is no more than 2.38" (2 7/16") long and the largest inner diameter is no greater than (.39 inches or 9.63mm ) and no less than (.32 inches or 8.17mm ), this mold will be compatible.
**This mold will also cast tubeless, solid blanks simply by removing the eye hook in each silicone plug and inverting them in the mold! **

**We don't recommend color casting with pigments and dyes, using "Tube-In" casting methods**
***Each silicone mold will come with 8 silicone plugs to fit in the holes***
** This item is usually ready to ship in one to two business days, but on occasion, depending on stock and demand, or combination orders, it can take one to two weeks to ship**
If you have questions about specific pen kits or tubes, please ask the question via the "Request a custom order" button on the front page!
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