Description: Used to measure the sizes of holes, slots, bores, or recesses With knurled locking device, Gage expands in a hole to be measured (locks in place and then removed to determine final hole size using a micrometer or calipers). Made of premium stainless steel, high qulity, durable 4 pieces, different sizes, satisfy your different needs Easy to use, practical Specification: A: 1/8" to 1/5" (3 to 5mm) B: 1/5" to 3/10" (5 to 7.5mm) C: 3/10" to 2/5" (7.5 to 10mm) D: 2/5" to 2-1/2" (10 to 13mm) Material: Stainless Steel Color: Silver Package Includes: 1 Set of Telescopic Bore Gauges
