产品介绍：
part# wl022061 thread size:12mm×1.25 part# wl014021 thread size: 12mm×1.25 part# wl022062 thread size:12mm×1.5 part# wl014022 thread size:12mm×1.5 part# wl022063 thread size: 7/16" part# wl014023 thread size:7/16" part# wl022064 thread size: 1/2" part# wl014024 thread size: 1/2" part# wl022065 thread size:14mm×1.5 part# wl014025 thread size: 14mm×1.5