Digital Surface Roughness Meter Gauge Tester | Portable Surface Roughness Tester - Surface Roughness Testers - Aliexpress
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
HFBTE JD220 Digital Surface Roughness Tester Meter with Range Ra Rz Rq Rt Portable Surface Profile Roughness Gauge: Amazon.com: Industrial & Scientific
Multi-parameter Digital Portable Surface Roughness Meter Gauge Tester Ra Rz + Built-in Diamond Pin Probe Us Plug Only - Surface Roughness Testers - AliExpress
MITUTOYO, Marsurf Pocket Surf IV, Portable Surface Roughness Tester with External Display - 54GF33|178-563-02A - Grainger