PSCL, 1/2", Plywood Clip, Used To Support Panels Edge To Edge When Installing Sheathing, Select The Same Size Sheathing Clip As The Panel Thickness, Quick Installation, No Nails Needed, Keeps Panels Even For A Level Plain On The Structure, Made With 20 Gauge Galvanized Steel For Strength & Durability, UPC: 0 44315 21320 5.