Self-Drilling 2” Overall Length Eye Lag fasteners are designed for attaching suspended ceiling tie wires to steel acoustical ceiling grids. Capable of self-drilling and fastening into steel from a minimum thickness of 1/32” up to 3/16” thick. Hole ID of .200 inches is designed to easily accommodate standard 12 gauge ceiling tie wire. Manufactured of carbon steel with a bright Zinc Plated finish. Installs with Acoustical Lag Driver Tool, Part No. SD800