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• The RS Pro 12 Piece Reversible Ratcheting Spanner Set
• The RS Pro Reversible Ratcheting Spanner Set of 12 is an ideal kit for professionals and enthusiasts. Made of chrome vanadium steel that has been fully cured and tempered with high quality in mind. Because of its high-quality construction, it can be operated safely even with high torque. We provide basic tools with excellent abrasion resistance that can be used in all kinds of environments to ensure extremely smooth movement in both directions. It is especially useful for automotive engineers.　Features and Benefits: General Purpose, Double End Spanner Set High quality, tempered and cured chrome vanadium steel 72 tooth ratcheting box head 6 ° gentle 8 to 9 mm, 5 ° gentle 10 to 18 mm Complies with ANSI/DIN Standard Typical use: This spanner set is used primarily by professional craftsmen, engineers or DIYers. A spanner is one of the most important manual tools in any work kit. There are many situations and professional tasks that require a spanner for special work related to fastening and loosening fixtures.　Spanners are commonly used for the following purposes:　Machinery and Industrial Production Woodworking/Carpentry Automotive Industry Petroleum Industry Certification and Certification: DIN899 DIN475 Frequently asked questions: What is the material of the spanner The body of the spanner is made of high quality chrome vanadium steel and has been heat treated at HRC 42 → 48 degrees for the wrench body.　Ratchet gear and claws are made of chrome molybdenum steel and heat-treated at HRC 48 → 52 degrees.　Does the wrench come with a warranty? The RS PRO wrench comes with a 3-year warranty.　Please tell me the contents of the set.　The set consists of 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, and 19 mm spanners.