1. PREMIUM MATERIALS: This motor relay is mainly made of cast iron and copper, corrosion-resistant and very durable. 2. QUICK MOTOR START: Ensuring stable working performance, the motor will have a quick start with the relay part. 3. EASY INSTALLATION: Small size and light weight, convenient installation will save your time and labor. 4. RELIABLE WORK: Excellent wear resistance ensures more reliable work and higher working efficiency. 5. GOOD PRACTICABILITY: Perfectly suitable for gasoline generator, gasoline pump, micro tiller, trowel, car wash, etc. Specification: Item Type: Starter Relay. Material: Cast Iron + Copper Specification: 188F, 190F Installation Hole Distance: Approx. 42mm / 1.7in Function: Used to start the gasoline engine. Applicable Scenarios: For gasoline generator, gasoline pump, micro tiller, trowel, car wash, etc. Package List: 1 x Starter Relay