Spline, Rounded Hex, Star and Square fasteners. Heat treated and tempered to meet or exceed ANSI Standards for strength. Shop Wrench Set from Sunex at ToolDiscounter SAE Ratcheting Flex-Head Combination Wrench Set - Rio Grande Trade Sunex Ratchet Ratcheting Combination - , Canada Wrench Sets Forged from high quality CR-MO alloy steel Sunex - PDF Manuals, Spec Sheets and Other Supporting Docs Item is forged from CR-V alloy steel and 72 fine teeth provide 5 swivel arc., Sizes include: 1/4 (993108) 5/16 (993110) 3/8 (993112) 7/16 (993114) 1/2 (993116) 9/16 (993118) 5/8 (993120) 11/16 (993122) 3/4 (993124) 13/16 (993126) 7/8 (993128) 15/16 (993130) 1 (993132). The V-Groove spanner provides non-slip grip of fastener flats - reducing spanner spread over time and wear on fasteners. Sunex 9931 | Wrench Set 12Pc Sae V Groove Flex Head R Ratcheting Wrench Set Type SAE, V-Groove, Flexible Head, Combination Set Content (1) 1/4 Inch, (1) 5/16 Inch, (1) 3/8 Inch, (1) 7/16 Inch, (1) 1/2 Inch, (1) 9/16 Inch, (1) 5/8 Inch, (1) 11/16 Inch, (1) 3/4 Inch, (1) 13/16 Inch, (1) 7/8 Inch, (1) 15/16 Inch, (1) 1 Inch Combination Ratcheting Wrench Material Alloy Steel Process Forged Finish...