Technical Features according to the manufacturer:

• Nylon plastic construction 
• Nitrile rubber hermetic seal 
• Protection degree: IP68 
• Ambient temperature quiescent state -40°C to +100°C (short time to 120°C) 
• Dynamic -20°C to +80°C (short time to 100°C) 
• Designed for use with round cable only

Product Specification according to the manufacturer: 

IP Rating - IP68 
Weight - 0.023kg 
Size - M25 x 1.5 
Cable Size Range - 13 - 18mm² 
Colour - Black 
Material - Nylon Plastic 
Compliance - UKCA, CE 
Standards - BS EN/EN 62444 - Cable glands for electrical installations

Suitable for 13 - 18mm Diameter Cable 
Diameter Ø 25mm 
External Diameter Ø 36mm 
Length 42mm

Price is per item, but if you buy more we will reduce the price!