Specifications: This product can prevent the wire from shorting out by insulating the end of the wire. It is suitable for installation in various homes and industrial places. Made of insulated PP material, it is durable, corrosion-resistant and easy to install. Type: Wire Connector Terminals Product Material: Insulated PP Material Wiring Range: 1-10 Square Quantity: 180Pcs Features: Durable, Corrosion Resistance, Insulated Box Size: 10.7cm x 21cm/4.21" x 8.27" (Approx.) Size Details: Gray Type: Outer Diameter: 8.9mm/0.35", Inner Diameter: 6.5mm/0.26", Wiring Range: 2 Lines 0.5-1.5 Square (Approx.) Blue Type: Outer Diameter: 9.9mm/0.39", Inner Diameter: 7.1mm/0.28", Wiring Range: 3 Lines 0.5-1.5 Square (Approx.) Orange Type: Outer Diameter: 12.7mm/0.5", Inner Diameter: 9.7mm/0.38", Wiring Range: 2 Lines 2.5 Square (Approx.) Yellow Type: Outer Diameter: 14mm/0.55", Inner Diameter: 11mm/0.43", Wiring Range: 3 Lines 2.5 Square (Approx.) Red Type: Outer Diameter: 16.3mm/0.64", Inner Diameter: 13mm/0.51", Wiring Range: 4 Lines 2.5 Square (Approx.) Notes: The quantity is about 180pcs, due to manual calculation, the quantity might has 1-5pcs more or less, hope you can understand, thank you. Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 50 x Gray Wire Connector Terminals 50 x Blue Wire Connector Terminals 50 x Orange Wire Connector Terminals 18 x Yellow Wire Connector Terminals 12 x Red Wire Connector Terminals