3/8 Depth --- Offset Mounting Canvas Z Clips For Picture Framing -- #6 X 3/8 Pan-Head Screws Included -- Pack of ONE HUNDRED (100) by United Mfrs. Supplies Securely hold your artwork in your open back frame with our Metal Offset Clips. Our double hole, reusable offset clips are Zinc-Plated. One #6 3/8" round phillips head screw included per each clip. Choose Offset Clips in depths of 0", 1/8", 1/4", 3/8", 1/2", 5/8", 3/4". 1", 1-1/4" in packs from ten to ten thousands clips!