Hardware Essentials Small Zinc Screw Eye Kits are commonly used for wood applications. Screw eyes are used for vertical hanging rather than angular loads. Zinc finish has anti-corrosion properties. Includes: #212 x 5/16" small screw eyes, #210 x 1-3/16" screw eyes, 0.106" x 1-3/16" medium screw eyes, #6 x 1-5/16" large screw eyes, 0.104" x 2-1/16" medium screw eyes, and #4 x 2-3/16" large screw eyes.