Check the listing for details. Innovative 6" Metal Span Ruler With Stud. Color: Silver, Condition: New. Listed at 26.74 USD. Innovative 6" Metal Span Ruler With Stud Enhance your bowling ball drilling experience with our Innovative 6" Metal Span Ruler, designed to effortlessly measure the span of your bowling ball. Key Features: Metal construction for durability Sold individually Benefits: Accurately measure the span of your bowling ball Durable metal construction ensures long-lasting use Make your bowling ball drill sessions more precise and enjoyable with the Innovative 6" Metal Span Ruler. Crafted with high-quality metal, this ruler is designed to provide accurate measurements of your bowling ball's span, allowing you to customize your equipment for the perfect fit. Each ruler is sold individually, giving you the flexibility to choose the quantity that suits your needs. The metal construction not only ensures durability but also adds a professional touch to your bowling accessories. Upgrade your bowling gear with the Innovative 6" Metal Span Ruler and experience the convenience of precise span measurements. Order yours today!