T-slot nut for Klemmsia workbench clamps

Aluminum Miter Track Stop,Workbench T-Slot T Track Flip Stop t slot workbench Your Premier Aluminium Profile Workbench Manufacturer aluminum frame workbench Wellste Aluminum can supply a large range of T-slots or plain sides workbenches twin slot shelves Question: My drive slots are not working I can't put drives in them anymore How can I fix this?

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