1 / 7SMOOTHERPRO L-type Switch Solid Brass Bolt Action Gel Pen
The SMOOTHERPRO L-type Switch is a solid brass bolt-action pen designed for black gel writing with a Pilot G2-compatible refill. Its listed 52 g weight suits buyers who prefer a substantial pen, but may feel heavy for those who favor a light everyday writer.
At a glance
- Solid brass body with a retro black-plated appearance, according to the listing.
- Bolt-action deployment and retraction rather than a standard click mechanism.
- Refillable design is listed as compatible with Pilot G2 refills.
- The listing describes a textured barrel and pocket clip for carrying on pockets or notebooks.
Often bought together
Pros and cons
Pros
- The substantial listed weight may appeal to writers who prefer a heavier pen and firmer-feeling control.
- A refillable body can be kept in use by replacing the compatible ink cartridge instead of the whole pen.
- The bolt action and pocket clip provide a distinct operating style and a way to carry the pen.
Cons
- At 52 g, it is a notably weight-conscious purchase for anyone who prefers a lightweight pen.
- The listing says replacement refills are sold separately, so continued use may require an additional purchase.
Technical specifications
23 specifications| Brand | SMOOTHERPRO |
|---|---|
| Model | L-type Switch |
| Writing instrument form | Gel Pen |
| Material | Brass |
| Listed color | Black Solid Brass |
| Ink color | Black |
| Point | Fine |
| Line size | 0.5 millimeters |
| Refill compatibility | Compatible with Pilot G2 Refill |
| Writing technique | ballpoint |
| Ink base | Water |
| Grip | Ribbed |
| Hand orientation | Ambidextrous |
| Closure | Retractable |
| Additional features | Bolt Action Mechanism, Ergonomic, Pocket Clip, Refillable, Retractable |
| Style | Retro |
| Dimensions listed | 5.6 x 0.46 x 0.41 inches |
|---|---|
| Weight listed | 52 g |
| Diameter | 10.5 millimeters |
| Age range | Adult |
|---|---|
| Recommended uses | Calligraphy, Drafting, Marking Out, Sketching, Writing |
| Body shape | Round |
| Pattern | Solid |
What to know before buying
Listing details to confirm
The listing's form and refill claims describe a gel pen compatible with Pilot G2 refills, while its technical fields also call the writing technique "ballpoint." The stated point is Fine and line size is 0.5 millimeters. Confirm the refill and writing type details if they are decisive. The listed 52 g weight may be useful to some people who prefer a heavier pen, but the claimed tremor-related benefit is not a medical guarantee and comfort varies. Take breaks during extended writing, and avoid forcing the clip over thick fabric. The listing says the bolt is pre-glued and suggests thread-locking adhesive only if loosening occurs.
What’s in the box
- Gift boxIncluded
- StylusCheck selected pack
Check which accessories are included in your selected pack before buying.
Who is it for?
A good fit for
- Writers who prefer a heavier brass-bodied pen and a bolt-action mechanism.
- People seeking a refillable pen described as compatible with Pilot G2 refills.
- Buyers looking for a pocket-clipped pen with a retro black finish.
Less suited to
- Those who prefer lightweight pens or are concerned about fatigue during long writing sessions.
- Buyers who require a clearly consistent specification for gel versus ballpoint writing before purchase.

Customer reviews on Amazon
- 5 stars
72% 72% - 4 stars
10% 10% - 3 stars
8% 8% - 2 stars
6% 6% - 1 star
4% 4%
Customer feedback highlights perceived build quality, substantial weight, smooth writing, appearance and bolt-action operation. Some customers say the weight helps steady their writing, which may matter to buyers seeking a heavier pen, but that experience is individual and does not establish a medical benefit. Feedback summaries do not resolve the listing's differing gel and ballpoint descriptions.
Positive themes
- Customers describe the pen as well-built and appreciate its substantial feel.
- Feedback mentions smooth writing and smooth bolt-action operation.
- Customers also praise its appearance, including a steampunk-like look.
Frequently asked questions
Which refills does this pen use?
The listing says it is compatible with Pilot G2 refills and can be refilled by unscrewing the front barrel. Replacement refills are stated to be sold separately.
Is the pen gel or ballpoint?
The listing calls it a gel pen and describes smooth gel writing, but its technical details also say "ballpoint" for writing technique. Check the selected listing or refill details if that distinction matters.
How heavy is it?
The listed weight is 52 g. The maker presents the substantial weight as a fit for people who prefer a heavier pen, though comfort and control vary by user.

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