DescriptionThis product is a set of telescopic gauge set, mainly made of stainless steel. It is safe and durable, has excellent texture. It can serve you well. With a reasonably designed structure, the telescopic gauge set is used to measure the super length of deep and shallow holes, grooves and similar parts.Features-Color: Silver.-Material: Stainless steel. - This telescopic bore gauge can quick check holes, slots and recess up to 6 inch deep. -Telescoping gauge set has good finished and good side so that the product has a long service life. -The spring tension of telescopic bore gauge set gives uniform contacts pressure, can detect the inner diameter in a hole (or groove). -Used for measuring holes, slots, grooves, and recesses in woodworking, metalworking, machining,and pattern-making applications. -To be made of stainless steel materials, it is strong and durable and can serve you for a long time.