Built to withstand the rigors of every day shop use, the updated PRS-3.2 is the stand of choice for professional mechanics around the world. Easily height adjustable from 50" to 62" (128-158cm) utilizing our proven Lock Block System. Includes #105 cast aluminum work tray. Shop quality 100-3C Clamp quickly adjusts to fit any frame tube up to 1-5/8" (41mm). Notes: - The maximum weight holding capacity of the PRS-3.2 is 68 kg (150 lb.) - Stand does not include base. Order part #130 base. - To mount directly to floor use part #FP-2 Floor Mounting Plate Differences from the PRS-3OS: Utilizes lock block system which allows easy and fast height adjustment and a more solid connection between the two upright tubes. Also includes a new height adjustment pin which locks into place for safety and so it won't be lost.