产品介绍：
part#: wn5122471 thread size:12mm×1.25 part#: wn41195061 thread size:3/8" part#: wn4120541 thread size: 12mm×1.25 part#: wn1419441 thread size:12mm×1.25 part#: wn5122472 thread size:12mm×1.5 part#: wn4120542 thread size:12mm×1.5 part#: wn1419442 thread size:12mm×1.5 part#: wn5122473 thread size: 7/16" part#: wn4120543 thread size:7/16" part#: wn1419443 thread size: 7/16" part#: wn5122474 thread size:1/2" part#: wn4120546 thread size:7/8" part#: wn1419444 thread size:1/2" part#: wn5122475 thread size:14mm×1.5 part#: wn1419445 thread size: 14mm×1.5