Comparison : Item # IA-4-BR, Precision Metal Orifices - Press-Fit Inserts, 0.258" OD
Item # IA-5-BR, Precision Metal Orifices - Press-Fit Inserts, 0.258" OD
Item # IA-6-BR, Precision Metal Orifices - Press-Fit Inserts, 0.258" OD
Item # IA-7-BR, Precision Metal Orifices - Press-Fit Inserts, 0.258" OD
Item # IA-8-BR, Precision Metal Orifices - Press-Fit Inserts, 0.258" OD