Feature: - brand new and high quality - Made of high quality material, durable - B:2.1mm mini 2pins - Mounting hole: 8mm - Dimensions: F10x18mm - All nickel-plated copper, except nuts - A:2.1mm mini metal - Mounting hole: 8mm - Dimensions: F10.5x21mm - D: 2.1mm PCB mount - Mounting hole: 9x11mm - Overall size: 9x14x15mm - Suitable for low current, low voltage applications. - Quantity: 5pcs - Model: A,B,C,D (optional) Package includes: 5 * Power connector (optional) Notes: 1. Due to various factors such as display brightness and light brightness, the actual color of the product may be slightly different from the website picture. 2. Please allow a slight deviation between the data and the manual measurement. 5PCS DC Power Connector Socket Female Panel Mount DC5.5*2.1mm Materials: Made of high quality materials, robust and durable, safe and convenient to use. Size: matched to the corresponding model to match your working tool needs, check if it is the size you need before you buy. Function: This is a good companion you need on your tools, giving you a more convenient working life, in case you are busy indoors and outdoors Satisfaction guarantee: Your purchase is fully protected when you order today. If you are not satisfied with with our products, contact us any time, We will get you back within 24 hours try our best to make things right.