Features: 1. Versatile & Secure – This pull pin knob allows quick, secure adjustments on fitness equipment, keeping everything firmly in place during workouts. 2. Durable ABS Build – Made from tough ABS material, it resists wear and tear even under regular intense exercise, offering long-lasting use. 3. Sleek & Low-Profile Design – The clean black finish blends with any machine and operates smoothly without getting in the way. 4. Easy to Install – No tools or experience needed. Replace old knobs in seconds and get back to your workout routine. 5. Wide Compatibility – Compatible with most exercise bikes, weight benches, and other gym gear for home or commercial use. Product Details: This 6-piece pull pin knob set is designed for simple, hassle-free adjustments on fitness equipment. The sturdy ABS construction handles heavy use without cracking or wearing out. Its compact size saves space, while the simple design provides reliable performance. Whether upgrading home gym equipment or maintaining machines in a professional setting, these knobs offer a practical, durable replacement option. Specifications: - Color: Black - Material: ABS - Size: 6.50 × 4.00 × 4.00 cm / 2.55 × 1.57 × 1.57 in - Diameter: 38 mm - Package Includes: 6 × Pull Pin Knobs