Description:

70Pcs Electrical Wire Twist Nut Connector Terminals Cap Spring Insert Assortment

Features: 

Electrical insulation and anticorrosion.
Lowest aging， lowest fading.
Long service life.
Can Withstand 105 Degrees Celsius (221 Degrees Fahrenheit)
Cone-Shaped Springs Pull Wires into the Nut Connectors for a Firm Grip
No Need to Pre-Twist Wires

Specification:

Blue Connectors:
Hight: 17.6mm
Width: 9.8mm
Inside Diameter: 7.4mm
Wire Range: 22-14 AWG

Orange Connectors:
Hight: 22mm
Width: 12.3mm
Inside Diameter: 9.9mm
Wire Range: 22-14 AWG

Yellow Connectors:
Hight: 23.6mm
Width: 13.6mm
Inside Diameter: 11.2mm
Wire Range: 22-14 AWG

Red Connectors:
Hight: 26.6mm
Width: 16mm
Inside Diameter: 12.8mm
Wire Range: 18-10AWG

Package includes: 

20 x Blue Connectors
20 x Orange Connectors
20 x Yellow Connectors
10 x Red Connectors

Details pictures: