The corners are the same thickness as a rod. It has an inner scale at the outer base point. [Specifications] Square shape with same thick; Surface scale Long branch: Outside scale 5 inner scale 1 scale; Short branch: Outside scale 7.5 inch inner scale 7 inch Inner scale Back scale Long branch: Outside scale Square scale Inner scale Yoshiyu Hozo Short branch: Outside scale 7.5 inch Inner scale Round scale Main body size 485 (2 1.7 x 0.6 x 0.06 inches (42.5 x 15 x 1.4 mm); Weight: 3.9 oz (86 g); 0.00 inch (0.1 mm) per right angle 3.9 inches (100 mm); Length tolerance ±0.01 inch (0.2 mm); Material: Stainless steel