Price is for PR. Sturdy steel uprights and base eliminate wobble Steel rollers allow smooth 0-31.5" of front/back movement of uprights Adjusts from 7" to 18" Marked in english and metric measurements Meets High School and NCAA specifications Use Centerset Base Protector Pads Vaulting range from 7" to 18". Complies with High School, Collegiate & International standards. All steel construction. A quality standard at a budget price.