Dial Bore Gauge, Dial Indicator, 2 to 6 in. Bore Range, Extendable Handle, Plastic Storage Case, Kit

Know your rod and cylinder bore dimensions.

Easily determine the dimensions of your rod and cylinder bores with these Proform Professional dial bore gauges. These units feature a 2 in. to 6 in. range and extendable handle and come in a durable carrying case.