The 2 Ispindel Gravity and Temperature Sensors for Home Brewing Wine Making by asset solutions are essential equipment for beer enthusiasts looking to create their own homemade brew. These temperature /gravity sensors , made of durable plastic in a vibrant red and green colour, help measure the gravity and temperature of your fermentation process accurately. Perfect for monitoring the progress of your home brewing wine making project, these sensors are a reliable tool for improving the quality and taste of your final product.ratify