DESCRIPTION:SDS DRILLS SETCT1302B: 4PCS/SET(5,6,8,10MM)CT1302C: 5PCS/SET(5,6,8,10,12MM)CT1303C: 6PCS/SET(6,8,10x110MM, 6,8,10x160MM)CT1303H: 8PCS/SET(5,6,8,10x110MM, 5,6,8,10x160MM)