Cartridge Holder Box for Injector Pen Cartridges

Cartridge Fill Block for Injector Pen Cartridges

🔹 Capacity: Holds 4 cartridges 🔢
🔹 Material: High-quality, durable 3D-printed PLA

Each box is 3D-printed, meaning slight variations in texture, finish, or color may occur. This is a normal part of the 3D printing process.