Comparison : Item # RNS32, Utility Round Negative, thickness 0.135 / 0.143 in
Item # RNS33, Utility Round Negative, thickness 0.198 / 0.206 in
Item # RNS43, Utility Round Negative, thickness 0.198 / 0.206 in
Item # RNS84, Utility Round Negative, thickness 0.265 / 0.270 in
Item # 1.000DIAx187THK, Utility Round Negative, thickness 0.182 / 0.192 in