Descriptions: 
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<br /> *Dual-walled design, polyolefin tubing in outside and hot melt adhesive in inside. 
<br /> *Allows visual inspection, prevents corrosion, and provided a waterproof seal. 
<br /> *Use a hot air gun until it reduces in size and the adhesive flows, filling gaps within the terminal.  
<br /> *With high quality and durable performance. 
<br /> *100% brand new and in good condition. 
<br /> *Color: Red, Blue, Yellow(As pictures show) 
<br /> *Material: durable copper, PVC and tinplate 
<br /> *Red connector: suits cable/ wire sizes 0.5-1.5mm2; 18-22 AWG (40pcs) 
<br /> *Blue connector: suits cable/ wire sizes 1.5-2.5mm2; 14-16 AWG (40pcs) 
<br /> *Yellow connector: suits cable/ wire sizes 4.0mm2; 10-12AWG (20pcs)  
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<br /> Package including: 
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<br /> 100 * Heat Shrink Butt Wire Crimp Connectors 
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<br /> Note: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.