23x9x17.5: Product advantages: High dielectric strength between chips, no breakdown or flicker; insulation resistance 100M, AC frequency at 50HZ/60HZ, excellent electrical and mechanical properties, stable structure, high dimensional accuracy, small uniform angle error of the commutator, high product hardness , Good wear resistance, high tensile strength, stable thermal performance and long service life. Specification Product Name:Motor Commutator Copper Bar Number:12P Total Length: 9*23*17.5(18)mm(ID*OD*Total Height) Material:Silver Copper Color:Copper Tone, Black Applicable: DC motor Package Content : 1 * Commutator 23x8x1718*12P: Product advantages: High dielectric strength between chips, no breakdown or flicker; insulation resistance 100M, AC frequency at 50HZ/60HZ, excellent electrical and mechanical properties, stable structure, high dimensional accuracy, small uniform angle error of the commutator, high product hardness , Good wear resistance, high tensile strength, stable thermal performance and long service life. Specification Product Name:Motor Commutator Copper Bar Number:12P Total Length:8x23x1718mm(ID*OD*Total Height) Material:Silver Copper Color:Copper Tone, Black Package Content : 1 * Commutator 26x8x17.617*16P: Product advantages: High dielectric strength between chips, no breakdown or flicker; insulation resistance 100M, AC frequency at 50HZ/60HZ, excellent electrical and mechanical properties, stable structure, high dimensional accuracy, small uniform angle error of the commutator, high product hardness , Good wear resistance, high tensile strength, stable thermal performance and long service life. Specification Product Name:Motor Commutator Copper Bar Number:16P Total Length:8x26x17.617mm(ID*OD*Total Height) Material:Silver Copper Color:Copper Tone, Black Package Content : 1 * Commutator