About Us ZOENHOU is a professional supplier of ratchet wrench, we are devoted to offering convenient and practical home improvement and tool supplies to consumers. The carefully selected materials and multiple exquisite processes ensure a long product life. Merits : 1. Forged and heat-treated to produce a surprisingly hard CRV steel. Aviation grade vanadium makes our steel alloys harder, while chromium is a great protection against corrosion. 2. Our spanner can enter the position where the ordinary standard ratchet wrench can not fully swing due to its short swing. 3. There are 72 teeth embedded in the ratchet box end, and the fastener can be moved or tightened only by 5 degrees, which is very suitable for emergency repair. 4. The 72 teeth at the end of the ratchet box help speed up work without lifting, even if they remain embedded in the compartment or equipment. 5. Easy to handle large and medium-sized equipment, can be used for home, auto repairs, warehouses, hotels, buildings, etc Specifications: Material: Chrome Vanadium Steel Color: Silver Inner Diameter: 7mm Surface Treatment: Polished Chrome Plating Package Contents: 4 x 7mm Ratcheting Wrench Notes: Because of manual measurement, please allow an error of 1-2%. Thoughtful Service: Please feel free to contact us through Amazon for any product problem. We will reply and solve it for you within 24 hours. Wish you happy shopping and a wonderful day!