Premium Clamp - Two Prong with Bosshead, Clamp constructed of powder coated high grade zinc alloy, 2 vinyl coated clamp prongs attached to stainless steel rod, Maximum clamp opening is 11 cm, Completely metal constructions, Thread fitted actuating joints, 10 mm diameter connecting rod
Go Wireless* Exercise Heart Rate, Recommended for College, High School, and Middle School Science, excellent hands-free option for continuously monitoring heart rate before, during, and after exercise or while a person is stationary