Roberts 10-501 Golden Touch"GT" Knee Kicker with Extra Wide Head, High Contour Neck and 2-Inch Thick Bumper Pad Easy to read, easy to adjust pin depth dial Center grooved head for adjusting power stretcher head Extra wide head for improved load distribution High, contour neck for use over stretcher heads and poles Easy, one-button adjustments from 18-7/8-Inch to 24-Inch lengths