Specification: • Quantity: 100 pieces • Wire square: 0.5-1.5 mm2 / 2-2.5mm2 • Metal material: Brass (pickling or tin plating on the surface layer to prevent oxidation) • Product size: 14.7 mm (length), 2.9 mm (copper feet) low foot height, 4.0 mm (leather feet) high height • Wiring range: 0.5-1.5 mm square Roles: 1) When the line is not long enough to connect 2) Subjective or objective reasons (the middle line is disconnected, then you can reconnect) Reminder: All models do not include wiring