Useful for adding brake fluid to master cylinders on mini-vans, adding gear lube to differentials, filling the DEF reservoir on GM Duramax diesels as well as other applications The funnel mouth is 3.5" outer diameter and the spout is .7" outer diameter Item Package Dimension: 12.99L x 4.72W x 3.15H inches Item Package Weight - 0.1 Pounds Item Package Quantity - 1 Product Type - FUNNEL