C.S. Osborne No. 4 Heavy Duty Scratch Awl
C.S. Osborne No 4 Scratch awl – comes in 4 different sizes & is used for marking a design layout or marking points. It can be used to scribe a line on leather, wood or steel to be followed with a chisel or gauge. Osborne Scratch Awls carry a hardened steel point. The tip of the awl is drawn across the working surface to leave a shallow groove or can be pressed or tapped into the surface to make a location mark.
| Size | Blade Length | Overall Length |
| 1 | 2.5″ (63mm) | 4.5″ (114mm) |
| 2 | 3.5″ (89mm) | 5.5″ (89mm) |
| 3 | 4.5″ (114mm) | 6.75″ (171mm) |
| 4 | 5.5″ (140mm) | 7.7s (197mm) |
