Surface Roughness Tester Meter Handheld Digital Profilometer Surface Profile Gauge Ra Rq 0.005~16um Rz Ry Rt Rp Rm 0.02~160um Range: Amazon.com: Industrial & Scientific
Mitutoyo Surftest SJ-210 Portable Surface Roughness Tester with Retractable Type Drive Unit, 0.75mN Detector - 178-563-01A - Penn Tool Co., Inc
HFBTE JD220 Digital Surface Roughness Tester Meter with Range Ra Rz Rq Rt Portable Surface Profile Roughness Gauge: Amazon.com: Industrial & Scientific
Taylor Hobson Ametek T-Meter II Surface Roughness Tester - Runyon Surface Prep