Waɗannan sandunan niƙa na lu'u-lu'u nau'in triangular ne. Bangaren aikin shine ɗigon lu'u-lu'u masu lantarki waɗanda ake amfani da su don niƙa granite, marmara, siminti, da sauran nau'ikan duwatsu. 3-inch Velcro goyon kushin za a iya amfani da bushe ko rigar a kan oscillating kayan aikin kamar Fein, Dremel, Bosch, Dewalt, da dai sauransu Yana da sauki daga cikin wadannan dutse nika gammaye zuwa isa ga sasanninta da gefuna na bene. Sunny Superhard Tools yana ba ku ingantaccen kayan niƙa na kankare a cikin grits na lu'u-lu'u daban-daban.

• Electroplated pad nika a daban-daban lu'u-lu'u grits don nika kankare, granite, marmara da sauran duwatsu.
• Nau'in triangular tare da velcro baya da aka tsara don amfani da kayan aikin oscillating.
• Sauƙi don isa kusurwoyi & gefuna na bene.