DMT Double Sided Diamond Whetstone 250mm Fine / Coarse
W10 Double sided (combination) diamond whetstones will not break, chip, crack, hollow or groove. These ultra precision whetstones are lightweight and have a totally rigid construction. Use water for lubrication no oil, smell or mess and can hone ALL hard materials: carbide, steel, the grits are denoted by a dual coloured circle which is set into one end.
Black: Extra Coarse Grade 220, 60 micron
Blue: Coarse Grade 325, 45 micron
Red: Fine Grade 600, 25 micron
Green: Extra Fine Grade 1200, 9 micron
The Red side is suitable for sharpening all woodworking tools, carbide tooling, router bits, 3D bits, woodworking and kitchen knives.
The Blue side is suitable for sharpening general carpentry tools, tin snips, wood flat bits, Stanley knives, masonry drills, chisels, garden tools, fish hooks, darts etc.
Blue: Coarse 325g, 45 micron
Red: Fine 600g, 25 micron
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Delivery & Returns
Delivery & Returns
Delivery times vary based on the selected product option. As we operate from multiple locations, despatch may take longer if the item is stored in a specific location. Check the options below for available shipping methods, costs, and estimated delivery times.*
Click & Collect
from Paignton (TQ4 7AU)

Ready for collection
Ready to collect within 2-3 working days*
Royal Mail Tracked Standard
FREE for orders over £60

Delivery within 2-3 working days
Delivery within 4-5 working days
Royal Mail Express

Delivery within 1 working day
Delivery within 3-4 working days
UPS Standard

Delivery within 1 working day
Delivery within 3-4 working days
Please be advised that the shipping options listed above apply to mainland UK. Delivery times, shipping services, and costs may vary depending on your postcode and location. Certain areas may be subject to additional charges or extended delivery times due to logistical constraints. We recommend reviewing the available shipping options at checkout for the most accurate pricing and estimated delivery timeframe.
Easy Returns
30-day no-hassle return policy
- Return or exchange within 30 days of delivery
- Items must be unused, unfitted, and in original packaging
- Quick & easy refund or exchange process
- Dedicated support for all return enquiries
For more info, see our full returns policy.
Specifications
Specifications
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SubcategoryHand Tools
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TypeWoodworking Tools
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CategoriesSharpening Stones