ITEM NAME:2pcs M5 Type High Current 4mm Female Banana Jack Socket Test Binding Post 30A M! Metal Body Size:M5 * 41.3 (mm) Voltage /Current: 30VAC-60VDC/ MAX 24A Total length:47mm Panel Cutout Diameter:8mm Main Color : Grey (1Pcs Red + 1Pcs Black) Material: Coppper + ABS Package Includes.2PCS High Current 4mm Female Banana Jack. Total length:47mm.