The Norton Rixson 900-75 Door Holder/Release Spacer is crafted with a durable sprayed aluminum finish for long-lasting use. This product includes a 3/4" armature extension, making it ideal for holding and releasing doors smoothly and efficiently. Its robust construction ensures reliable performance, perfect for commercial or residential settings. Enhance your door hardware setup with this practical and sturdy accessory. Don't miss the chance to upgrade your door system with this essential component today!