5/32" ( 4mm) Hole Size 23/64" Head Diameter 7/16" Stem Length Panel Range: .030" - .275" Black Nylon Shield Retainers Compare with: Auveco #18683, G.M. # 10063599, W&E # 2861, Crest / Midwest # CRX6116, Disco 5602PK, 5602B, Kimball / Midwest # 11030