• Number of Pieces: 4
• Blade Length (Inch): 12
• Graduation Style: EM
• Graduation (Inch): 1/32", 1/64"
• Graduation (mm): 0.5, 1.0
• Blade Length (mm): 300
• Used for layout, set-up, checking heights, depths and setting angles
• Square head, centre head and reversible protractor head
• Hardened cast iron heads