Comparison : Item # DWG#U-3766, Square Positive Chipbreaker with Hole and Countersink, thickness 0.200 / 0.206 in
Item # DWG#U-3767, Square Positive Chipbreaker with Hole and Countersink, thickness 0.240 / 0.246 in
Item # DWG#U-4171-MOD, Square Positive Chipbreaker with Hole and Countersink, thickness 0.212 / 0.218 in
Item # DWG#U4171ZPF, Square Positive Chipbreaker with Hole and Countersink, thickness 0.200 / 0.206 in
Item # DWG#U4171, Square Positive Chipbreaker with Hole and Countersink, thickness 0.200 / 0.206 in