C.S. Osborne Creaser. Single edge creaser, hard wood handle. Will enhance the edges. Place long side of tool against edge of leather as a guide and make impression with short side. Round edges with edge tool before using the creaser. Available in following sizes. Please select your size from the drop down options menu. Size 1 : 1/16" from the edge Size 2 : 5/64" from the edge Size 3 : 3/32" from the edge Size 4 : 7/64" from the edge Size 5 : 1/8" from the edge C.S. Osborne & Co. is a manufacturer of specialized hand tools designed exclusively for upholsterers, auto trimmers, awning and canvas workers, furniture makers and other professionals in related trades. For generations, the family run business has always taken great pride in engineering the highest quality tools and offering our products both here in the United States and abroad. C.S. Osborne produces the most extensive line of custom tools available -and we guarantee that our tools will deliver excellent quality and superior performance.