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🔧 Precision Perfected: Elevate Your Craft with Cocoarm’s 1-2-3 Blocks!
The Cocoarm 1-2-3 Precision Block set features ultra-accurate tool steel blocks ground on all six sides, delivering squareness within 0.0001 inch. With 23 cross-drilled holes, it offers versatile clamping options while maintaining lightweight strength. This professional-grade kit includes screws, a screwdriver, and a storage box, making it ideal for milling machines, layout, and inspection work—trusted by skilled machinists for enhanced efficiency and precision.


| ASIN | B08X1BC2LT |
| Best Sellers Rank | 99,037 in DIY & Tools ( See Top 100 in DIY & Tools ) 115 in Sanding Blocks |
| Brand | Cocoarm |
| Colour | Defult |
| Customer Reviews | 4.5 4.5 out of 5 stars (45) |
| Date First Available | 20 Feb. 2021 |
| Item Weight | 1.1 kg |
| Material | default |
| Model Number | Cocoarm5rm1uiafy9283 |
| Product Dimensions | 1 x 1 x 1 cm; 1.1 kg |
W**U
Useful item for all crafters, and builders.
These are precision blocks, and can be used for right angles, weights and to square items together. The plastic case is a great storage box, they come wrapped in a oil proof paper for added protection, and once cleaned make a useful item for all crafters, and builders.
I**N
Value
Good quality
D**S
Fine for wood working BUT can't be bolted together
This is a very affordable set of 1 2 3 blocks, but NOT the cheapest. When i saw the set came with bolts I thought they'd be the sort you can bolt together to form a solid right angle. However it turns out this is a feature only for very expensive sets. The bolts are for holding the blocks down onto a clamp set, work service etc so still useful. These will be fine for wood work, and some light crafts (which I used them for) just be ware you can't bolt them together for a solid right angle
P**S
Handy to have around the workshop
Excellent - recommended
P**E
happy with the purchase
I am all round happy with the purchase, I am only using these as a faster way of re-squaring my compound and tool post, and some clamping and small repeatable setups for fabrication. happy with the quality and the case is nice too.
A**K
Great Value
Cleaned up the blocks and they measure the imperial dimensions stated, unfortunatley on checking the unthreaded holes these were found to be the incorrect tapping size to tap 3/8 x 16 BSW, the bolts would be a rattle fit. I was hoping to tap these if required on later projects.
D**K
Fast delivery
Very happy with purchase
A**R
Quality
Great little set… glad I ordered 2 off Very useful
J**N
Bargain
For this price really a bargain. Nicely made and usable for a lot of things.
M**R
Sehr gut!
Alles bestens!
F**X
Blocs parallèles de précision
R A S que du bonheur ! À laisser dans la boite après utilisation, ne pas faire tomber au sol...
H**Z
Great blocks, use them all the time
This is one of the things you are not sure where to use it but then use it all the time.
M**H
Rechtwinkelig und Gewinde/Schrauben passen.
Winkel ist winkelig. Die Schrauben aus dem Set passen!
Trustpilot
1 month ago
1 month ago