Experience superior quality and versatility with MasonMate Rubber Nuts, sized M4 x 11mm and conveniently offered in a pack of 50. These robust rubber nuts feature a durable brass insert, making them ideal for a wide range of construction applications. Whether you're tackling projects in moist environments or require fittings for sanitary conditions, MasonMate Rubber Nuts provide a secure and dependable fit every time. Enhance your construction and repair endeavors with the reliability and flexibility of MasonMate Rubber Nuts, your go-to solution for all construction needs.