Description: Different model and size can help you make the crafts well. Great for leather burnish and polish. Can polished leather skin side to side several widths for different thickness polished leather. Simply wet the edge of the Leather and then add either saddle soap or glycerin for a fine burnished edge. Matrerial: Blackwood+Steel Size: 4mm/5mm/6mm/7mm/12mm/21mm/3mm+4mm/2mm+3mm+4mm Package Includes: 8 Pieces/Set Leather Burnisher