Type: Hose to hose and hose to tool 
Material: Stainless steel/Carton Steel Wire and Spring with stainless steel/Aluminum Ferrule & Slides for hose to hose. 

Avaiable Sizes: 
1/8" X 20.25" long. 
1/8" X 24" long. 
1/4" X 36" long. 
1/4" X 38" long. 
3/8" X 44" long. 

Break strand: 500kgs~1000 kgs 

Application: 
Simply pull back the spring and slip the loops on the whip check over each hose before connection to provide security against hose disconnect