This Priory 129 Combination Scriber is double ended with a point and a knifeedge. Theknife edge is ideal for marking wood, plastic and laminates, and can also be used for scraping surfaces clean. Its knurled body gives a positive finger grip and the sharp ground points are heat treated to give a long life. Specification: Size: 165mm (6.1/2in). Priory A01 B0003