RIDGID 56662 Model VJ-99 V Head High Pipe Stand, 12-inch Pipe Stand Locking ring allows for quick vertical height adjustments Retains the V Head to the tube for quick adjustments Maximum weight capacity is 2500 pounds (1134 kg) Pipe stand has a 12-inch (300 mm) pipe capacity and 28-inch to 52-inch (71 cm to 132 cm) height adjustment RIDGID covers its products with a lifetime warranty against defects in material or workmanship for the life of the tool