4Pcs Stainless Steel Radius Gauges R0.3-1.5/ R1-6.5/ R7-14.5/ R15-25 Tool Radius Detection Gauge Check Convex Concave Surfaces

4Pcs Stainless Steel Radius Gauges R0.3-1.5/ R1-6.5/ R7-14.5/ R15-25 Tool Radius Detection Gauge Check Convex Concave Surfaces

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