Sharpening Stone OS1-150&280 Dual Grit Puck Oil Stone Axe/Hatchet

Specification* Material: Black Silicon Carbide.* Coarse - 150 Grit / Fine - 280 Grit* Size&Weight 7.8*7.8*2cm , 160g.Tips: Before Sharpening:1. We recommend adding the oil or water.2. Please wear cut-resistant gloves. 7.8cm / 3“ round pocket puck stone, easy carry.  Designed with obtuse angle shape for easy and safe grip, not like other brand stone's acute angle edge hurt the palm. Dual grit 150/280, perfect for field sharpening axes, machetes and other tools. The coarse side it will rapidly erase scratch marks from a filed with a 150 grit. The fine side 280 grit will bring the edge to a hazy mirror finish that easily shaves. Readily absorbs and retains water, with a thick film on the surface to keep the pores of the stone free of metal fines.