Enhance the efficiency and durability of your electronic components with this Transistor Insulator. Designed for TO-66 compatibility, it features a protective barrier and is crafted from natural GF Polyester for optimal performance. Its heavy-duty construction ensures long-lasting reliability in various applications. With an overall length of 1.28 inches and a specific length of 1.25 inches, this insulator is a crucial component for maintaining the integrity of your electronic systems. Upgrade your setup with this essential accessory for enhanced functionality and protection.