• Save time: Connect cables without the need for soldering or crimping, using only a hot air gun (1500-2000W, not included) for a stable connection. • High-quality material: Corrosion-resistant and waterproof sealed connectors, with hot melt adhesives for high strength and leak-proof function. • Easy identification: Transparent design for visual inspection and differentiated colors for each size, facilitating organization. • Versatile use: Ideal for electrical engineering projects in automotive, marine, aerospace, lighting, and electronics industries. • Product dimensions: 9.8 cm wide, 2.3 cm high, 17.3 cm long.