Material: The brake lever is made of metal and plastic, sturdy, resistant to aging and abrasion, ensuring maximum strength and durability for long-lasting use. Simple installation: Strong hand brake, safe and reliable, with fine workmanship and durable construction. Lightweight & Durable: Designed for durability and precision, with universal fit for wheelchair handles. Safety: Provides high sensitivity and improved safety during operation, a practical tool for everyday use. Universal Fit: Brake levers are compatible with most wheelchair handlebars. Easily mounted and convenient to use. Size Chart: Type 1: 2Pcs Side Mount Brake Levers 17x6x6cm / 6.69x2.36x2.36inch Type 2: 2Pcs Upside Brake Levers 19x8.5x5.5cm / 7.48x3.35x2.17inch Type 3: 2Pcs Brake Cable 106cm / 41.73inch Type 4: 2Pcs Black Handbrake 12x6.5x4cm / 4.72x2.56x1.57inch Type 5: 2Pcs Silver Handbrake 11x6x4cm / 4.33x2.36x1.57inch Type 6: 4Pcs Brake Sleeve Cover 1.61x0.75inch Type 7: Auto Handbrake 15x10x5cm / 5.91x3.94x5inch Package Includes: Type 1: 2Pcs Side Brake Levers Type 2: 2Pcs Upside Brake Levers Type 3: 2Pcs Brake Cable Type 4: 2Pcs Black Handbrake Type 5: 2Pcs Silver Handbrake Type 6: 4Pcs Brake Sleeve Cover Type 7: 2Pcs Auto Handbrake Note: 1. Please allow slight variation due to manual measurement. 2. Due to differences in monitor displays, the actual color may vary slightly from the image.