【Year Challenge 2024】Build 100 kg gripping force with 10,000 reps using a forearm strengthener designed to help you progress from 10 kg to 100 kg within a year. Good things take time—start your strength journey today. Features an auto-display counter and an adjustable wheel to change resistance from 10 kg to 100 kg. Curved handles with strong stainless steel springs and anti-slip rubber cushions provide comfort and durability. 【No. 1 Graded Stainless Steel Spring】Equipped with high-strength, thick springs that deliver 10 kg to 100 kg of resistance. The springs are wear-resistant and rust-resistant. Reinforced at the joints to prevent tearing, ensuring long-lasting performance. 【Adjustable Knob】Easily rotate the knob to adjust the desired resistance level to suit different users. The mechanism securely locks the setting in place, maintaining stability even during fast repetitions. Suitable for men, women, kids, and seniors. 【Finger Strengthener Fit Grip】Enhanced grip handle improves exercise efficiency. The non-slip TPR rubber cover ensures secure fingertip placement and allows for extended workouts without discomfort. Sweat-resistant TPR handle increases grip stability for a smooth and comfortable experience. Improve performance and comfort with this durable hand exerciser.