The Mercer Industries walk-behind street saw wheels are made with specific silicon carbide formulas to cut either concrete and Green concrete or asphalt. Less expensive alternative to a dimaond blade. Available in 12" or 14" diameters. All wheels have a 1" Arbor and a drive pin hole for mounting. Mercer Industries is a 3rd generation family owned Company that was built on core Values of quality, performance, delivery, service, and price. Founded in 1968, Mercer Industries offers more than 3, 000 products for the flooring, industrial, automotive and welding markets. Mercer is committed to serving its customers and providing quality products. Weâre here to support you. Please contact our team with questions or comments. Claims for warranty must be made within 90 days of the date of purchase. Proof of purchase required. This warranty does not cover any product that has been subject to misuse, neglect, negligence or accident, or that has been used in any way contrary to the Purpose intended.