Comparison : Item # RNSG32F1, Utility Round Negative F1Chipbreakers and Hole, thickness 0.129 / 0.135 in
Item # RNSG33F1, Utility Round Negative F1Chipbreakers and Hole, thickness 0.191 / 0.197 in
Item # RNSG42F1, Utility Round Negative F1Chipbreakers and Hole, thickness 0.129 / 0.135 in
Item # RNSG43F1, Utility Round Negative F1Chipbreakers and Hole, thickness 0.191 / 0.197 in
Item # RNSG43F1-1C/B, Utility Round Negative F1 Chipbreaker and Hole, thickness 0.191 / 0.197 in