●Product number：NW-144/SP-326/NW-145/SP-327/SP-328
●Quantity: 100
●Specifications: M4x10 / M5x15 / M6x12 / M6x15 / M6x20
●Material: black chromate
●Pitch: 0.7 / 0.8 / 1 (NW-145 / SP-327 / SP-328)
●Compatible wrench: 7mm / 8mm /
10mm(NW-145/SP-327/SP-328)