Surface Roughness Comparator Inch/Metric ComboApplications:  Used to determine the degree of the surfacefinish by comparison method and visualestimation or magnifying glass.Features:Contains standards for the (6) most importantmachining methods: horizontal milling, verticalmilling,turning, plain grinding, flat lapping andexternal grindingRange of 2 to 500μ" and 0.05 to 12.5μm.ItemDescriptionEG02-0226Suface   Roughness Comparator

17pcs Precision Angle Block SetFeatures:Made from hardened steel.Used for grinding and milling machineoperation.Set includes the following angles:1/4°, 1/2°, 1°, 2°, 3°, 4°, 5°, 10°, 15°, 20°, 25°,30°, 35°, 40°, and 45°, plus 2 riser blocks.ItemDescriptionEJ99-211717Piece   Precision Angle Block Set

9-Pair Wavy Parallel SetFeatures:Size 1/2" to 1-1/2" in 1/8" steps.Parallelism ±0.0002"All parallels made from high quality spring steelEach parallel hardened and precision groundExceeds possibilities of conventional parallelsFor use on precision clamping for drilling, milling,boring, grinding, and assembly operations, etc.Supplied in fitted wooden caseItemDescriptionEG10-1440Size   1/2" to 1-1/2" In 1/8" Steps

Ultra Thin 20-Pair Parallel SetFeatures:6" length, 1/32" width. Hardened HRc 50. Parallelism: ±0.0001" Height accuracy: ±0.0001" Range of sizes include:1/2" thru 1-11/16" by 1/16" intervals.  Fitted plastic case

10pcs Precision Angle Block SetFeatures：Accuracy:±0.0001"per inch,±30 are seconds.Furnished in 1 incrementers to 5°,  and in 5° increments to 30°. For angle set-ups in tooling,  productions and inspection. Hardened and precision ground. Lightly magnetized for better holding. Size 3" long x 1/4" thick. Ten-block set complete with fitted case.ItemDescriptionEG02-01113"   Long x 1/4" Thick

Adjustable Parallel SetFeatures：Height range: 3/8" to 1/2", 1/2" to 11/16", 11/16"to 15/16", 15/16" to 1-5/16", 1-5/16" to 1-3/4", 1-3/4" to 2-1/4"   Length range from 1-3/4" to 5" Closed   Quickly adjustable and locked withscrews for micro meter measurement.  For layout, inspection, stop work, set-up, etc. ItemDescriptionEG02-5001Adjustable   Parallel Sets