Replacement pins are plastic-material and require no-stud for long-term use Package Included: You will receive 20Pcs Shutter Repair Pins, enough quantity for your various usage need These repair pins allow for easy replacement of damaged shutter pins Size: The-size of each replacement service pin is approx 0.78x0.31inch With white design, it-is suitable for most colors and texture of shutter panels for added convenience