Titan Mainsprings are made in several types and qualities for specific purposes. For over twenty five years Titan mainsprings have been supplied worldwide to airgun enthusiasts, professional airgun customers and the gun trade and have established themselves as the top quality mainspring against which all other mainsprings are compared. Only the finest quality Grade I Swedish Silicon Chrome Vanadium Spring Steel is used. There are no mass production methods. Every spring is hand wound to an exact specification, then heat treated and tempered to ensure ultimate performance and maximum durability. Titan XS Mainsprings - During final tempering they are coated with a specially formulated hard but fexible finish. This is a high tech derivative of PTFE and Teflon and its self-lubricating multislip properties eliminates the need for conventional spring lubrication. The almost friction-free operation of the Titan XS Mainspring reduces the possibilities of dieselling to a minimum and increase power by up to 15% for FAC rated air weapons. Maximum power is maintained for longer than most other springs. Titan springs do not lose power when left cocked for long periods. All springs are fully guaranteed. Titan springs are produced for all makes of air rifles and pistols