• 15mm to 50mm – 5 – 9.7 Bar (500 – 970 kPa). • Resistant to pull-out of assembled joint. • Resistant to leaking when bent. • Hexagonal surfaces for firm mechanical grip. • No sharp external edges for a comfortable hand grip. • High grade engineering material developed for enhanced impact resistance, to ensure strong barb and hard teeth. • Made from top quality glass reinforced nylon.