Rotary Caster Kit allows you to move your lift from one location to another (includes 4 caster) Use this with the SM7 Series of Lifts. Local sales tax rates will apply on all Rotary Lift purchases that are drop-shipped from the manufacturer. Rotary Lift focuses on the need for auto repair facilities to improve productivity in the work bay. This is why Rotary Lift has the most advanced and innovative designs available in the lift industry. Technician productivity equals higher productivity. When purchased with a lift, additional discounts may be available. Please call for better pricing. Also, freight charges for this product are NOT included, and we will contact you with the amount after order is placed.