Comparison : Item # 1/2 X 1/2 X 1/8 HR ANGLE, a1218
Item # 3/4 X 3/4 X 1/8 HR ANGLE, A3418
Item # 1 X 1 X 1/8 HR ANGLE, A118
Item # 1 X 1 X 3/16 HR ANGLE, A1316
Item # 1 X 1 X 1/4 HR ANGLE, A114