plugs UP-SH Series Silicone Plugs Our Ultrabake™ Silicone Plugs are designed to plug plain and threaded holes; they will mask off the hole and allow finishing up to it. Recommended for Powder coating, e-coating, plating & anodizing. * Recommended temperatures up to 600°F (315°C) * Tapered to fit into a range of hole sizes * Reusable Material: Silicone Color: See chart for color coding Optional Colors: Clear, White HUP-SH Series Hollow Silicone Plugs HUP-SH Series Hollow Ultrabake™ Plugs are designed to plug plain and threaded holes; they will mask off the hole and allow finishing up to it. Recommended for Powder coating, e-coating, plating & anodizing. * Recommended temperatures up to 600°F (315°C) * Hollow to make it lighter and more conforming * Tapered to fit into a range of hole sizes * Reusable Material: Silicone Color: See chart for color coding Optional Colors: Clear, White 186 * For other material and color options, contact customer service.