Choosing plastics and rubber processing equipment usually comes down to matching a specific job to a dedicated piece of hardware. The four products here are not alternatives to one another: they range from a used Vintage Testrite Iron & Rubber Roller at USD 5.00 to a TECHTONGDA Single Screw Extruder SJ25 at USD 2,097.15. Only the extruder is a complete processing machine; the other three are a replacement part, a used roller, and a bench pad. So the first step is to decide whether you need a machine, a spare part, or a small hand tool.
Quick Take
If your project is small-scale plastic extrusion into filament, the Single Screw Extruder SJ25 is the only item that heats and pushes plastic through a screw. If you are servicing a Noritsu minilab scanner, the 120AFC-II rubber wheel set is the targeted replacement. If you want a low-cost vintage roller, the Testrite unit is the least expensive thing here. If you work at a jewelry bench, the Square Pad Plate Gasket with Rubber Feet provides a cushioned anvil surface for shaping metal.
Listed Price Comparison
| Product | Listed Price | Price Bar | What It Does |
|---|---|---|---|
| Noritsu 120AFC-II negative carrier rubber wheel | USD 40.00 | Replacement rubber wheels for Noritsu scanner film carriers | |
| Vintage Testrite Iron & Rubber Roller | USD 5.00 | Used iron and rubber roller that still rolls | |
| Square Pad Plate Gasket with Rubber Feet | USD 25.23 | Iron anvil pad with rubber feet for jewelry work | |
| Single Screw Extruder SJ25 110V | USD 2,097.15 | Compact plastic extruder for filament processing |
Decision Matrix
| Your Need | Product to Consider |
|---|---|
| Extrude plastics like PEEK, ABS, PLA, PETG into filament | Single Screw Extruder SJ25 |
| Replace worn rubber wheels on a Noritsu carrier | Noritsu 120AFC-II rubber wheel |
| A used roller for a craft project at the lowest listed price | Vintage Testrite Iron & Rubber Roller |
| A cushioned anvil pad for jewelry metalwork | Square Pad Plate Gasket with Rubber Feet |
Product Notes
Noritsu 120AFC-II negative carrier rubber wheel

This is a set of 12 new rubber wheels made for the Noritsu 120AFC-II negative carrier, and it fits Noritsu S2, S3, S4, and HS-1800 scanner carriers. It is a service part rather than a standalone machine, so the decision to choose it comes down to whether you own or maintain one of those scanner carriers. The included quantity is useful for multiple replacements. The limitation is the specific compatibility: the wheels are meant for the 120AFC-II carrier, and the carrier should be checked before purchase. At the listed price, this sits between the anvil pad and the extruder in cost.
Vintage Testrite Iron & Rubber Roller

The Vintage Testrite Iron & Rubber Roller is the lowest listed item in this four-product group. It is in used/fair condition and it still rolls. That makes it a candidate for someone who wants an inexpensive vintage roller for a craft project, repurposing, or simply as a curiosity. The limitation is the condition: using a pre-owned roller means accepting wear from previous use. If you need a predictable processing part or a functioning extruder, the roller is not a substitute. If you want a tangible iron-and-rubber roller for the least money, this is the one to consider.
Square Pad Plate Gasket with Rubber Feet Jewelry Gold Tool Processing Equipment

This is a new bench tool rather than a machine. It is an iron anvil pad with a rubber pad and rubber feet, sized at around 6.3 x 6.3 x 1.2 cm, for jewelry and goldsmithing tasks like engraving, grinding, and forging. The rubber layer is there to reduce vibration and noise during metalwork. The strength is that it is a ready-to-use anvil surface for small pieces, not a component that needs to be fitted to another machine. The limitation is scale: it is a compact pad, so it will not handle large stock or continuous production. It also is separate from the extrusion and scanner maintenance categories in this group.
Single Screw Extruder SJ25

The TECHTONGDA Single Screw Extruder SJ25 is the highest listed price in this group and the only complete plastic processing machine. It is built for 110V, uses a vertical design, and is rated for 0.1-2 kg/h output. It works with 3D printing materials such as PEEK, PCL, ABS, PLA, PETG, TPU, and TPE. It is intended to heat and extrude plastic raw material, but it needs auxiliary equipment like cooling, hauling, and cutting to finish products such as filament. The equipment carries a warning against touching the heating area and screw cylinder during use, reinforcing that this is industrial-style equipment for a small workshop, not a casual desktop tool.
Final Recommendation
Choose the Single Screw Extruder SJ25 if you need an actual extrusion machine for turning plastic pellets into filament-like output. Choose the Noritsu 120AFC-II rubber wheel set if you are repairing a compatible Noritsu scanner carrier. Choose the Vintage Testrite Iron & Rubber Roller if you want a low-cost, used vintage roller. Choose the Square Pad Plate Gasket if your work is small jewelry or goldsmithing and you need a cushioned anvil surface.