Specification Brand : Shars BulletPoint1 : Double action rigid handle with self centering feature for quick checking of holes, slots and recess up to 6" deep BulletPoint2 : The ends of both contact are heat treated stainless steel and precision ground to a radius to allow proper clearance on the smallest hole the gage will enter BulletPoint3 : Constant spring tension gives uniform contact pressure BulletPoint4 : Handles are rigidly attached to the contact plungers and are automatically self-centering BulletPoint5 : Satin chrome finished ExternallyAssignedProductIdentifier1 : 0711796995424 ExternallyAssignedProductIdentifier2 : 711796995424 ItemName : SHARS 5/16"~6" 5'' Nickel Plated Long Telescoping Gauge 6 pcs Set 303-4116 P\ ItemTypeKeyword : hole-gauges Manufacturer : Shars Material : steel PartNumber : 303-4116 ProductDescription : Under uniform spring tension, the plunger of the gage expand from the center to the diameter of the hole or width of slot being measured and then locked in place by a knurled knob, the hole size is found by measuring over the two contact point with a micrometer or caliper. ProductSiteLaunchDate : 2019-09-25T07:00:00.000Z UnspscCode : 27000000