• 2 Pc. Set: 2450x03 - size .001-.003" (green), 2450x04 - size: .002-.006" (red)
• Measures clearances of engine rod and main bearings without expensive micrometers
• Helps choose the proper size replacement bearing inserts
• Sets of two sizes (.001" - .003" & .002" - .006"/.025 - .08mm & .05 -.15mm)
• Covers all auto engines
• Individual components available
• MADE IN USA