A CAS Hanwei Japanese sword maintenance kit (factory OH1003). Official CAS Iberia listing: blade oil (traditional choji oil), rice papers, an oiling cloth, a powder ball for blade polishing, a brass awl and hammer, and saya shimming veneer, in a fitted wooden box, with maintenance and handling instructions. Made in China. Official weight 5 oz. Specs from the casiberia.com Japanese Sword Maintenance Kit page.