Features: Premium boat vibration isolator kit ensures superior shock absorption and protects marine electronics from damaging vibrations with strong plastic construction. Features easy installation with stainless steel bolts and rubber mushroom shaped mounts that securely fasten to deck bottoms for stable performances. Designed for boat owners and anglers seeking reliable vibration control solution to protect sensitive navigation and fish finding equipment. Ideal for marine applications requiring vibration isolation during high speed navigation or rough water conditions in both saltwater and freshwater environments. Includes four corrosion resistant stainless steel bolts and four heavy duty rubber isolator engineered for long term durability in demanding marine hardware installations. Specifications: Material: Plastic Size: about 0.33x1.49x2.12inch Part number: MGA015PB6 Package Includes: 1 set Isolator Mounts with Bolts note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item.