CrazyEve Leathercraft 5.9 Inch Leather Scratch Compass Wing Divider Leather Marking Tool MADE OF HIGH QUALITY STEEL and has a solid weight. COMPASS LENGTH: 5.9 inch(150mm).Maximum open diameter measures 20.0+-0.5 cm or around 8.0 inch HAS POLISHED CUTTING edge - hardened through to hold sharpness. USED FOR MARKING a clear and accurate line before punching and stitching.