PE8708 – 3-1 Caulk / Silicone Trowel & Scraper The 3-in-1 Caulk / Silicone Tool consists of a fixed-blade caulk remover and scraper with an adjustable radius. It works with acrylic latex and silicone and is handy for window bath and shower projects. Made from both PP and silicone Includes 5 different radius soft trowel pads. 3R 6R 10R 13R & 17R