Made of stainless steel, ensuring durability and high performance. Strong compatibility; suitable for most cameras. Upgraded design, smaller and more refined. Please use a prying tool to prevent damage to your fingernails when using. Please ensure the plastic cover is properly installed to guarantee the product's anti-scratch function. Note: This product only supports camera straps and wrist straps with a quick-release mechanism. Traditional camera straps and wrist straps will not work due to the smaller opening.