The Deluxe Baseline® Sit and Reach trunk flexibility tester includes scales for:Cooper Institute/YMCA and AAHPERD allowing you to use for The Presidential Physical Fitness Test, FitnessGram® and SHAPE. Scales printed in both inches and centimeters. Made of powder-coated steel with a built-in foot plate and a maximum stretch indicator that remains until you reset it. This deluxe model allows for both standard model tests and modified Sit n’ Reach® tests. Modified testing protocols vary the scale start point which normalizes scores to account for variation in the arm and leg length of the person being tested. Lockable Center Channel.