Lightweight aluminum track and field adjustable starting blocks. Finished production. Ideal for competition and practice. The pedal angle can be adjusted according to your body position and thrust. Shorten your start time. The quality is unparalleled. Ten-year warranty on workmanship. Meets all high school and university specifications.SPECIFICATION:-Product Name: Track and Field Starting Block-Product material: aluminum alloy-Product size: length 90CM thickness 0.6 cm width 10 cm-Use venue: plastic, sand-Product weight: 4.8kgPACKAGE CONTENTS:-Center rail-Pedal-Special pull tab for runwayABOUT OUR SERVICES:-If you have any questions, please leave a message, we guarantee that we will reply to you within 24 hours and provide you with the best service.-If you are satisfied with our products, please do not forget to leave a 5-star review, we will be very grateful.-If you are not satisfied, please contact us before providing negative/neutral feedback and let us know that we will solve your problem before you are satisfied.