Golf Shop: GOLFSMITH Hosel Bore Gauge Set

"Measure Hosel Bores and Shaft Tips Quickly and Accurately The finest precision tool ever made for measuring shaft tip diameters and hosel bore diameters of popular shafts and clubheads. - Protruding step tips are precision-machined to within 0.001 and measure clubhead hosel bores by slipping tips into the hosel bore to find the best fit. - Shaft tip measuring holes are sleeve fit with a machined bushing for ultimate accuracy. Insert shaft tips into each hole to find the shaft s tip size. - Gauge measures .335 , .350 , .370 , .390 , .410 parallel tip shafts and hosel bores and .355 tapered tip shafts and hosel bores."