The PTP Smart Grip Loops offer a portable solution for grip strengthening and progress tracking. Crafted from premium silicone, they come in two resistance levels: 13.6 kg (30 lb) for beginners and rehabilitation, and 31.7 kg (70 lb) for advanced users. Equipped with a magnet sensor, they accurately count reps and sync with the PTP fitness app. With a long-lasting battery and compact design, they're ideal for on-the-go training. Whether rehabilitating or enhancing performance, the PTP Smart Grip Loops are your ultimate companion.