The new Roberts GT2100 General Knee Kicker is an essential tool for carpet professionals.This powerful tool extends from 17" to 21.5", making it the perfect carpet stretcher. This carpet stretcher also comes equipped with a gel pad as well as a 5 inch wide head, ensuring maximum protection for your knees. With its high knee protection and robust design, you can trust the Roberts GT2100 General carpet stretcher to assist with all of your professional carpet projects. With this remarkable tool, you can rest assured that your job will be done quickly and accurately.