ITEM NAME:20pcs Female Spade Insulated Electrical Crimp Wire Connector Terminal 4.0-6 X9Y4 20pcs Female Spade Insulated Electrical Crimp Wire Connector Terminal 4.0-6 X9Y4 100% Brand new high quality insulated crimp terminals. Standard crimp and then seal heat shrink butt connectors. Dual-walled design, polyolefin tubing in outside and hot melt adhesive in inside. Allows visual inspection, prevents corrosion, and provided a waterproof seal. For best results use a hot air gun until it reduces in size and the adhesive flows, filling gaps within the terminal. Color: Yellow Material: PVC Suits cable/ wire sizes: 4.0-6.0mm2 Package includes: 20pcs Female Spade Connectors Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..20pcs Female Spade Connectors. Standard crimp and then seal heat shrink butt connectors. Suits cable/ wire sizes: 4.0-6.0mm2. Material: PVC.