The Ulti-Mate II Stick-Fit Zinc & Yellow Plated Screw 4.0 x 40mm is designed for maximum efficiency and security in fastening tasks. These durable screws are made from zinc and yellow plated material to ensure a strong, rust-resistant finish thats built to last. The 4.0 x 40mm size offers substantial holding power for a wide range of materials and applications, while the unique Stick-Fit design provides an enhanced grip for effortless installation. Ideal for professional builders and DIY enthusiasts alike, the Ulti-Mate II screws offer reliable performance with every use.