Ultra-Tow Quickstand Retractable Jack Extension - 6,500-Lb. Capacity Less cranking, quicker hookups! Fits on 2in. and 2 1/4in. jacks, extending jack length by 8 1/2in. Large 7 3/8in. x 4in. base plate foot ensures secure and stable use No-drill, 1-bolt installation; all hardware included Durable powder-coat finish