About This NEW UPGRADE - Anti-bulging Kit: It provides four-point support around the basin edge to prevent the bracket from contacting the relatively soft bottom of the sink and causing deformation, ensuring smooth drainage. EXCELLENT QUALITY & STABLE SUPPORT:Made of 304 stainless steel, no rust, will not split or warp.Fits most kitchen sinks, especially HEAVY DUTY sinks. Maximum load capacity 880lb(400 kg), permanently supported. TIDIER & SPACE SAVING:Free up more cabinet space and can organize more kitchen items. MULTI-SIZE:Easy to install. There are four sizes for you to choose. (20-31.5in (51-80cm),28-39.4in (71-100cm),36-51in (91-130cm),47-63in (119-160cm)) Please measure the distance between the cabinet walls before purchasing. PRODUCTS INCLUDE:Lift actuator assembly *4,Outer support bar*4,Internal support bar*2,Anti-bulging Kit*4,Self-tapping screw*16,Plastic expansion tube*16,Wrench*2,Foam strip adhesive*2 Roll and installation manual. Overview Color : Brushed Nickel Brand : TYESTAND Material : Stainless Steel Item dimensions L x W x H : 28 x 3.9 x 3.2 inches Item Weight : 4.4 Pounds