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Features:
- With 2-component material for top loads & smart operation
- The additional component ensures great expansion providing support for larger loads
- The main body is polyamide to ensure long-lasting support with the best grip
- Red expansion fins support proper expansion
- The combined expansion-holding function and knotting expand the range of applications
- Built-in washer prevents slipping in the hole
- Special anti-slip fins prevent rotation in the hole when screwing