NINDEJIN 1pc open end wrench tool 55 6 7 8 9 10 11 12 13 14 15mm combination wrench hex spanner wrench for hex nuts Product description 1. Premium material: High strength chrome vanadium steel construction with rust preventative mirror chrome finish ensures durability and exceeds ASMEB107.6-20002 quality standards; 2. OPEN END design: Specially engineered "U"-cut open end grips four flat sides of fasteners to deliver maximum torque and prevents fastener corners from rounding off; 3. Easy to use: 12-Point box end doubles the access angle than a 6-point, and 15-degree offset creates clearance for hand or obstructions in tight work spaces; 4. Long pattern design: Longer wrench body than other brands provides better leverage performance and makes your job easier to loosen stubborn or rusted bolts and nuts Specification Item: open end wrench Material: Chrome vanadium steel Size: 5.5mm-15mm Quantity: 1pc About Shipping: Kindly note: Fast shipping: we will ship your item out within 24 hours as soon as you place an order, it may need more time during holiday.