The WP-17 Series, the A-150 Series is comprised of an assortment of versatile and innovative air-cooled torches designed for maximum comfort in a variety of applications. The A-150 Series torches are a cost-effective alternative to complex water-cooled systems. Diamond Grip™ head design - (A-150 and A-150 Valve) has ergonomic contact points for thumb and fingers. Provides a more comfortable grip and reduces operator fatigue. Improve control and comfort with the A-150 Flex and the flexible neck that allows access into hard-to-reach areas. Maximum versatility - Utilize the Redhead Series torches in a variety of welding applications without adding expenses. Ribbed handle and torch design provide cool operation and maximum operator comfort while reducing downtime caused by operator fatigue. Utilize existing parts. Replacement parts are easy to find. The A-150 Series uses Weldcraft 10N series consumables.