The Fein 99100001561 ASTS 18-26 AS is a battery-operated jigsaw designed for professional use, delivered without a battery and charger. This device belongs to the category of battery-powered tools and operates on an 18-volt system compatible with the Fein AS battery platform. The jigsaw offers precise cutting performance with a stroke of 26 mm and is suitable for various materials such as wood, metal, and plastic. Its ergonomic design ensures comfortable handling during extended use, weighing approximately 2.1 kg without the battery. The tool features a quick-clamping system for efficient operation, and its vibration-dampening technology reduces user fatigue. Made from durable materials, this jigsaw provides consistent performance in demanding environments. The product dimensions are 430 mm in length, 90 mm in width, and 210 mm in height. The effective operating temperature range is between -10 °C and 40 °C. This model is the successor to previous Fein battery jigsaws and combines refined technology for improved cutting control and operational reliability. The tool is delivered in protective packaging that safeguards it during transport and storage.