Specially hardened steel body. chrome plated. measured openings
To ensure resistance against wear during continuous usage, the hardness test was performed multiple times.
The calibrated pattern used to verify the apertures of wrenches and spanners ensures the correct screw connection.
Tools are created and tested in accordance with strict requirements.
Spanner ring sizes included: 6×7 mm, 8×9 mm, 10×11 mm, 12×13 mm, 14×15 mm, 16×17 mm, 18×19 mm, 20×22 mm, 21×23 mm, 24×26 mm, 25×28 mm, 27×32 mm
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