Experience the ultimate convenience in screw fastening with our Fast Lead Screw Retainer. Designed for frequently accessed applications, these innovative fasteners offer the functionality of a quarter-turn solution with the added benefit of more forgiving alignment. The modified Acme thread ensures quick and easy engagement, while providing the tightening power and grip of a captive screw. Say goodbye to tedious fastening processes and hello to effortless installation with our Medium Size Retainer. Crafted from durable black nylon, it guarantees reliable performance for all your fastening needs. Rest assured, our product is also fully compliant with RoHS standards for environmentally-friendly manufacturing. Upgrade your fastening game today with the perfect combination of speed, convenience, and reliability.