Hidden-needle design · Reusable metal body · 3mL cartridge · 1–60 unit dial
The ChoicePeps V2 is a reusable metal research pen built around a compatible 3mL cartridge and an adjustable 1–60 unit dial.
Its defining feature is a spring-assisted outer shield that keeps the attached needle concealed during use — instead of a traditional exposed-needle pen design.
Protective shield surrounds the needle area so it stays out of sight during use.
Keep the pen. Swap compatible 3mL cartridges for the next research cycle.
Designed around the widely used compatible 3mL cartridge format.
Whole-unit clicks. On a U-100 scale, 1 unit = 0.01 mL.
Settings from 1 to 60 units. On a standard U-100 volume scale, 1 unit = 0.01 mL.
Works with compatible screw-on pen needles. The outer shield conceals the attached tip during use. 4 tips included.
Cartridge ships empty. Extra cartridges and tips are sold separately.
V2: keep the pen, replace the cartridge.
Single-cartridge pen: pen and cartridge are replaced together when that cycle ends.
| COLOR | Pink, Purple, Gold, Black, Light Blue, Silver, Teal |
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