RV5.5-6 LUG 4.6Rm Round Insulated Ring Terminal Cable Wire End Connector

• Model : RV5-6 LUG
• Rm : 4-6mm²
• AWG : 12-10AWG
• American Bolt No : 1/4
• Bolt Mouth Φ : 6.5
• Wiring Range : 12-10AWG – 4-6mm²
• Current Max : 48A
• Color : Red & Black
• Bundle : 10Pcs Red / 10Pcs Black / 5Pcs Black and 5Pcs Red MIX – 10Pcs Mix
• Item Qty : 10 Pcs
• Package Qty : 1 / (Depends On Order and Stock)
• B : 12.0
• L : 28.8
• F : 12.0
• H : 12.5
• D Φ : 6.7
• Package Weight: 3-6g

They both feature a sleeve-like opening on one end and a ring-shaped conducive stud on the other end. The difference is that insulated ring terminals have a layer of insulation typically nylon, silicone or vinyl over the sleeve.