Introducing our Silicone Setting Block, designed for optimal support and protection of your sealed units. Measuring 1-1/8" wide, 4" long, and 1/8" thick, these blocks ensure a secure setting that won’t react to silicone or urethane materials. Available in classic black or fresh mint green, they boast a durometer hardness of approximately 80, making them durable and reliable for your projects. Upgrade your installation process with these essential tools!