1 / 6Jonard Tools MS-D3K Microduct Slit and Ring Tool Kit, 7–12 mm
The Jonard Tools MS-D3K Microduct Slit and Ring Tool Kit is a mid-span preparation tool for 7 mm, 10 mm, and 12 mm microduct. Its three size-specific magnetic cartridges and blade-position indicator are intended to help technicians switch duct sizes and place cuts accurately. The listing claims blades are rated for up to 5,000 slits per set.
At a glance
- Designed for both slit and ring cuts on supported microduct sizes.
- Three magnetic cartridges are specified for 7 mm, 10 mm, and 12 mm ducts and are claimed to swap in seconds.
- A top indicator line shows blade position, according to the listing.
- The listing describes a built-in tethering hole for field use.
Reference price: $299.95
Price checked: Nov 14, 2026
View offerAhead of Black FridayExplore the selectionPros and cons
Pros
- One kit is specified for three microduct diameters, useful when a job involves multiple duct sizes.
- Magnetic, interchangeable cartridges can simplify switching between the listed sizes without a separate tool, as claimed.
- The blade-position indicator gives a visible reference for placing cuts.
Technical specifications
8 specifications| Brand | Jonard Tools |
|---|---|
| Model | MS-D3K |
| Microduct diameters | 7 mm, 10 mm, and 12 mm |
|---|---|
| Duct wall thickness compatibility | 3 mm to 8 mm |
| Blade life claim | up to 5,000 slits per set of blades |
| Cartridges | 3 magnetic cartridges |
| Weight listed | 1.58 pounds |
|---|---|
| Package dimensions | 10 x 7.2 x 2.7 inches |
What to know before buying
Listing details to confirm
The listing gives a weight of 1.58 pounds in product details but describes the tool as weighing less than 6 oz in a feature claim. These figures are inconsistent, and the listed package dimensions may not describe the tool itself. Confirm the tool's actual weight and dimensions before relying on them for carrying or confined-space work. The stated wall-thickness range is 3 mm to 8 mm, while the product description separately names 3 mm, 6 mm, and 8 mm.
Who is it for?
A good fit for
- Fiber-optic and microduct installation technicians working with 7 mm, 10 mm, and 12 mm ducts.
- Field work where a visible blade-position reference and quick size changes are useful.
Less suited to
- Work involving microduct sizes outside the listed 7 mm, 10 mm, and 12 mm options.
- Buyers who need confirmed tool weight or physical dimensions before purchase, since the listing's weight information conflicts.
Frequently asked questions
Which microduct sizes does the MS-D3K cover?
The listing specifies 7 mm, 10 mm, and 12 mm microducts, using three magnetic cartridges.
What duct wall thicknesses are supported?
The feature listing states compatibility from 3 mm to 8 mm. The product description separately lists 3 mm, 6 mm, and 8 mm, so confirm the intended range for your duct.
How much does the tool weigh?
The listing is inconsistent: product details give 1.58 pounds, while a feature claim says less than 6 oz. Confirm the tool weight with the seller before purchase if it matters.
How many cuts are the blades claimed to handle?
The listing claims up to 5,000 slits per set of blades. This is a stated product claim, not an independently verified result.
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