Material: 148 pcs caps and plugs kit made from 45# structural steel
Superior Exterior Coating: These deck screws against erosion and rust
Caterpillar hydraulic hose fitting oring
HIGH QUALITY: Tie down ring anchor made from strength steel
386 Pieces FKM O Ring Kit, Fluorocarbon 75A, 30 Sizes, Chemical Resistant and Oil Resistance O-Rings cage Material: 148 pcs caps and30 sizes, total 386 pieces. Made of FKM 75A durometer material,characterized by high temperature resistance, oil resistance,acid and alkali resistance to various chemicals and special medium occasions,etc. Use for engines, faucets, flanges, valves,various cylinders, aircraft fuel oil, hydraulic oil,electronic appliances,automotive,professional plumbing,furniture,vehicle repair,roller auto and home appliances.