30 pcs of Rigid Steel Rules 4R, 6" x 3/4" width, 0.032" thickness, #EG06-4008x30 Rockwell Hardness Tester Repeat the above steps until

Repeat the above steps until the level is calibrated

made of steel that can be adjusted to any position

Furthermore

10 Pcs of Style C

30 pcs of Rigid Steel Rules 4R, 6" x 3/4" width, 0.032" thickness, #EG06-4008x30 Rockwell Hardness Tester Repeat the above steps until30 pcs of Rigid Steel Rules 4R, 6" x 3 4" width, 0. 032" thickness, #EG06 4008x30 30 pieces 4R = 1 8" 1 16" 1 32" 1 64" 4R (1 64" & 1 32" on one side and 1 16" & 1 8" on reverse) made from hardened stainless steel with ground edges, have a brushed finish and are 6" x 3 4" wide by 0. 032" thick. scales are deeply and precision etched and black filled for long life and easy readability and graduated with 1 8" and 1 16" increments on one side and 1 32"