Features: 【 Quick Connection Design 】 Adopting a thick WP4 auditory connection clip to ensuring fast and safe circuit connection 【 Multi specification compatibility 】 Supports 4P specifications, widely applicable for testing different types of speakers and LED lights 【Durable plastic】: from high-strength plastic, providing good insulation and wear resistance. 【 Convenient Spring Wiring 】 Innovative spring terminals design, installation can be completed without tools, greatly improving work efficiency. 【Safety and reliability performance】 Enhanced structural design ensuring stable current transmission and reduces transmission loss. Specifications: Component： Plastic Size:about 64.5x19.2mm/2.54x0.76in Suitable for 4Pin connection；54mm Hole Space Quantity: 1/5/10pcs Used for: speakers, speakers, test frames and other connection cable clip Support fast wiring, suitable for LED lamp aging test and auditory equipment connection Package Includes: 1/5/10pcs 4-position loudspeaker clamp 4P spring terminals note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.