Key Features:<br> Adjustable Height: This is a 4-bolt pump with a height adjustable range of 4.3 inches. You can install it on a chair and adjust it to the appropriate height as needed, which is very practical.<br> Selected Materials: The pump body is made of cast iron, combined with a spray-painted plastic casing, you don't have to worry about it deforming during use, resulting in a longer service life.<br> High Bearing: It can withstand a weight of 440 pounds, letting you rest assured to place a chair on it, and also make people sit at ease.<br> Ergonomic Design: Its design conforms to ergonomics, so you only need to step on the lever to raise or lower the chair.<br> Easy to Install: You only need to install the lever and plastic cover, and then install the entire lifting pump on the chair you want to lift.<br> Application:<br> This chair hydraulic pump is suitable as a replacement part for most standard-style chairs with four-hole and diagonal hole spacing of 4.53in bases in bars, beauty salon, hair salons, and other places.<br> Specifications:<br> Model: YL700<br> Material: Cast Iron, Plastic<br> Color: Silvery<br> Style: Modern<br> Thread: M8<br> Surface Treatment: Painting<br> Assembly Required: Yes<br> Adjustable Range: 11cm/4.3in<br> Maximum Load Capacity: 200kg/440lbs<br> Suitable Base Diagonal Hole Spacing: 115mm/4.53in<br> Gross Weight: 8.05kg/17.74lbs<br> Net Weight: 7.15kg/15.76lbs<br> Shaft Diameter: 26mm/1in<br> Base Diameter: 89mm/3.5in<br> Base Height: 57mm/2.24in<br> Lever Length: 28.5cm/11.22in<br> Product Height: 37cm/14.56in<br> Package Size: 41.5*37*19.5cm/16.33*14.56*7.67in<br> Package Included:<br> 1*Chair Hydraulic Pump<br> All Accessories for Assembly<br> Notes:<br> 1.Please note this package only contains the chair hydraulic pump, please prepare other components yourself.<br> 2.It is recommended to clean with a dry tissue. Please be careful not to use detergent to wipe the surface of the product to avoid damage.<br> Please allow the slight color difference caused by the shooting light and 1-3cm error due to manual measurement, and make sure you do not mind before you order.<br>Note: <br>1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. <br>2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you!<br>About Shipping: <br>1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly.<br>2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.<br>3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 38 hours, wish you a happy shopping!