Kev tua cov ntsia hlau yog siv cov phom phom uas tsim los ntawm kev tua cov foob pob tawg ua lub zog tsav cov ntsia hlau rau hauv cov tsev xws li ntoo thiab phab ntsa.Nws feem ntau muaj ib tug ntsia thawv thiab ib tug hniav nplhaib los yog ib tug yas tuav dab tshos.Nws lub luag haujlwm tseem ceeb yog tsav cov ntsia hlau rau hauv cov substrates xws li pob zeb lossis steel daim hlau kom ceev cov kev sib txuas.
Length: 27mm 32mm 37mm 42mm 47mm 52mm 57mm 62mm 67mm 72mm
