1 / 7OX Pro 30m Chalk Reel, Aluminium, 6:1 Gear Ratio
The OX Pro 30m Chalk Reel is a refillable chalk line reel with an aluminium housing, Kevlar bold line and a stated 6:1 gear ratio. Its listed 30m capacity suits longer layout lines, while the fast rewind claim and included chalk powder are manufacturer claims rather than independently verified performance.
At a glance
- The listing states a 6:1 gear ratio and describes the rewind as up to six times faster than a 1:1 reel.
- The 30m line is positioned for layouts across floors, roofs and other larger surfaces.
- The manufacturer describes the Kevlar bold line as reinforced and intended to make visible chalk marks.
- The value pack is claimed to include a 118ml bottle of chalk powder.
Reference price: £19.79
Price checked: 12 Nov 2026
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Pros and cons
Pros
- 30m line capacity can cover longer layout runs before repositioning.
- The stated 6:1 ratio offers a potentially quicker rewind than a 1:1 reel.
- Refillable design lets the chalk powder be replenished.
Technical specifications
9 specifications| Brand | OX |
|---|---|
| Model | OX Pro 30m Chalk Reel |
| Dimensions listed | 15 x 18.5 x 6.8 centimetres |
|---|---|
| Weight listed | 0.4 Kilograms |
| Material listed | Aluminium |
|---|
| Line capacity | 30m |
|---|---|
| Gear ratio | 6:1 |
| Line type | Kevlar Bold Line |
| Refillable | Refillable |
What to know before buying
- Customer feedback is mixed on chalk leakage and durability, so these may matter for frequent site use. The listed dimensions and weight are product details, not independently checked measurements.
What’s in the box
- 1 Value PackIncluded
- 118ml chalk powder bottleCheck selected pack
Check which accessories are included in your selected pack before buying.
Who is it for?
A good fit for
- Tradespeople and DIY users marking longer straight layouts on floors, walls or roof surfaces.
- Buyers looking for a refillable chalk reel with a longer line and fast-rewind gearing.
Less suited to
- Buyers who need a confirmed leak-free reel or consistently proven durability, as customer feedback on both is mixed.

Customer reviews on Amazon
- 5 stars
66% 66% - 4 stars
21% 21% - 3 stars
5% 5% - 2 stars
1% 1% - 1 star
7% 7%
Customer feedback highlights perceived good quality and a well-regarded line. Opinions are mixed on durability, value and chalk leakage. For buyers using the stated 30m capacity and bold line for repeated layouts, leakage and durability are practical points to weigh. The overall rating distribution is mostly five- and four-star, but includes a smaller one-star share and cannot explain the reasons behind ratings.
Positive themes
- Customers describe the reel's quality positively.
- Customers appreciate the line quality.
Mixed feedback
- Feedback on durability is mixed.
- Feedback on value for money is mixed.
- Feedback on chalk leakage is mixed.
Frequently asked questions
How long is the line?
The product listing specifies a 30m line capacity, suitable for longer marking runs.
What does the 6:1 gear ratio mean?
The manufacturer says the reel rewinds up to six times faster than a 1:1 reel. This is a stated product claim, not an independently verified result.
Is chalk powder included?
The feature copy claims the value pack includes a 118ml chalk powder bottle. The explicit contents field only says “1 Value Pack”, so confirm the selected listing's package contents before buying.

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