Nailan fickert fiber niƙa block wanda ba saƙa ba shine nau'in kayan abrasive da ake amfani da shi don gogewa da ƙare saman kamar tayal yumbu da quartz.
An yi shi da filaye na nailan ko masana'anta waɗanda ba a saka ba waɗanda aka sanya su tare da abrasives kamar lu'u-lu'u, silicon carbide, ko alumina, sannan a haɗa fiber ɗin akan fickert head filastik plinth tare da manne mai ƙarfi ta yadda zai iya shigar a cikin injin goge goge ta atomatik.
Ƙarshen ƙarewa na iya samun satin ko mai sheki.Akwai nau'ikan girma guda biyu: L142 * H37 * W65mm (don tayal yumbu mafi yawa) & L170 * H40 * W61mm (don ma'adini na siminti mafi yawan) .