Connection grab (grip) testers. Connection sizes include: 5.7mm spade type, 0.83mm pin type, 1.76mm AMP Econoseal type, 2.8mm common sensor type. Applications include but not exclusive to: Hyundai, Kia, VW, Mercedes-Benz, BMW. Used for testing connection tightness of engine sensor connections, wiring loom block connections, CAN and relay connections. Flexible design for better access. Supplied with key ring pull.