Feature

●Internal square in accordance with DIN 3121 / ISO 1174
●Hexagonal
●Perfect fit
●Particularly robust design
●Designed for high tightening and loosening torques


Description

• Internal square in accordance with DIN 3121 / ISO 1174.
• Hexagonal.
• Perfect fit.
• Particularly robust design.
• Designed for high tightening and loosening torques.
• Special tool steel.

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