1/2"x6" blk heater hose. 6". Reinforced for long service and performance. Resists deterioration from engine heat. Easy installation instructions on package. Bagged. Inside Diameter: 1/2", Outside Diameter: 0.797", Length: 6", Pkg Qty: 1, Package Type: Bag No. 158: Inside Diameter: 5/8", Outside Diameter: 0.922", Length: 6", Pkg Qty: 1, Package Type: Bag No. 134: Inside Diameter: 3/4", Outside Diameter: 1.047", Length: 6", Pkg Qty: 1, Package Type: Bag