TEKTON WCF91120 5/16-3/4 in. 3/8 in. Drive 6-Point Flare Nut Crowfoot Wrench Set (9-Piece) with KeyThis Tekton 3/8 In. Drive Flare Nut Crowfoot Wrench Set features a complete range from 5/16 to 3/4 in.. The sizes of our flare nut crowfoot wrenches scale optimally with fitting depths to achieve the best possible combination of engagement, access, and strength. Our design is leaner than conventional 6-point crowfoot wrenches, giving you more room to work in tight spaces. The wrenches are abrasive blasted to create a smooth, satin finish. Our electroless nickel plating process applies a uniform, corrosion resistant coating to the entire tool surface. Each crowfoot wrench has a permanent high-contrast size marking engraved on the side. This set includes a portable storage key, molded in the USA from a high-quality polypropylene material that is durable and easy to clean. The wrenches are made entirely in the USA with USA-sourced materials. Most of the steps, including machining, broaching, blasting, plating and engraving, take place at Tektons manufacturing facility in Grand Rapids, Michigan.Optimized for engagement, access, and strength: our deep, 6-point design maximizes your contact with fittings and prevents slippingReinforced jaw strength: we reinforced our wrenches with material where it matters most to avoid high stress concentrations and prevent the jaws from spreading15 offset increases access angles: the jaw opening is offset 15 from the center of the wrench so that it can be flipped over to gain additional access anglesElectroless nickel plating for corrosion resistance: the electroless nickel plating finish is easy to wipe clean, highly resistant to corrosion, and has a low environmental impact compared to conventional hexavalent chrome platingUniform coverage and better fit: the electroless plating process applies a uniform coating to the entire tool surface; by comparison, electroplating, including conventional chrome plating, has varying thickness across the tool because the plating thickness depends on the electric current density at each point on the tool9-pc. 3/8 in. drive flare nut crowfoot wrenches: 5/16, 11/32, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4 in.Black storage keyDetailsFeaturesNo Additional FeaturesHand Tool TypeWrench SetIndividual/SetSetMeasurement StandardSAENumber of Pieces9Tool Set TypeWrench SetsTools Product TypeHand Tool