Rotary Three-Stage Arm Retrofit Kit allows an SPOA9 or SPOA7 lift (200-400 series) to be fitted with 3-stage telescoping arms, for accommodating smaller vehicles without excessive maneuvering of vehicles, and four (4) arms are included in this kit. Local sales tax rates will apply on all Rotary Lift purchases that are drop-shipped from the manufacturer. 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.