1 / 6Jonard Tools MS-DS3K Microduct Slitting Tool Kit, 7–20 mm
Jonard Tools MS-DS3K is a microduct slitting tool kit designed for six duct diameters from 7 mm to 20 mm. Its three magnetic cartridges, blade-position indicator and tethering hole suit fiber installation work where size changes and handling in confined spaces are common.
At a glance
- Three magnetic cartridges cover six listed microduct diameters, reducing the need to switch between separate size-specific tools.
- A top-side blade indicator line marks blade position for slitting and ringing operations.
- The tool has a built-in tethering hole for securing it while working in tight spaces.
- The listing describes the tool as weighing under 6 oz, but its details also list a weight of 1.56 pounds. Check the actual tool weight and whether the listed figure is package weight before buying.
Reference price: $299.95
Price checked: Nov 14, 2026
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Pros and cons
Pros
- Six listed duct sizes from 7 mm to 20 mm are covered by one kit.
- Magnetic cartridges are described as quick to change without tools.
- A blade-position indicator and stated blade-life rating provide useful operating guidance.
Technical specifications
9 specifications| Brand | Jonard Tools |
|---|---|
| Model | MS-DS3K |
| Weight listed | 1.56 pounds |
|---|---|
| Package dimensions | 10.04 x 7.68 x 2.76 inches |
| Duct diameters | 7 mm, 10 mm, 12 mm, 14 mm, 16 mm, and 20 mm |
|---|---|
| Duct wall thicknesses | 3 mm, 6 mm, and 8 mm |
| Cartridges | 3 included magnetic cartridges |
| Blade life rating | up to 5,000 slits |
| Supported operations | slitting and ringing |
What to know before buying
Listing details to confirm
The listing gives conflicting weight information: a feature claim says under 6 oz, while item details list 1.56 pounds. It also describes the six-size kit but does not provide an explicit package inventory, so confirm the delivered contents and tool weight in the selected listing.
Who is it for?
A good fit for
- Fiber installation technicians handling multiple microduct diameters on a job site.
- Buyers who want interchangeable cartridges and a tethering point for confined or elevated work.
Less suited to
- Buyers who need a confirmed tool-only weight or a definitive package contents list before purchase.
Frequently asked questions
What microduct diameters does the MS-DS3K cover?
The listing names 7 mm, 10 mm, 12 mm, 14 mm, 16 mm, and 20 mm diameters.
How many cartridges are included?
The feature claims state that three magnetic cartridges are included. The page does not provide a separate explicit package inventory, so confirm the selected listing's contents.
What is the listed weight?
The details show 1.56 pounds, while a feature claim says the tool weighs under 6 oz. These figures conflict, so clarify the actual tool weight before purchase.
What is the stated blade life?
The feature claim rates blade life at up to 5,000 slits. This is a listing claim, not an independently verified result.
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