Introducing the GIBRALTAR Lobed Knob with a head diameter of 38.1 mm and 4 points for easy grip. Made from durable aluminum ALH-20MTT, this knob is perfect for use in various fasteners and hardware applications. Crafted in Gibraltar and with a brand name you can trust, this knob is ideal for industrial use. Its unique design ensures a comfortable grip while allowing for easy operation. Additionally, its sturdy construction guarantees long-lasting performance. Get your hands on this premium quality knob today and take your project to the next level.