詳細規格及用途描述
6mm(1/4"),7mm,8mm(5/16"),9mm,10mm(3/8"),11mm(7/16"),12mm,13mm(1/2"),14mm(9/16"),15mm,16mm(5/8")
17mm(11/16"),18mm,19mm(3/4"),20mm,21mm(13/16"),22mm(7/8"),23mm,24mm(15/16"),25mm(1"),26mm,27mm(1-1/16")
17mm(11/16"),18mm,19mm(3/4"),20mm,21mm(13/16"),22mm(7/8"),23mm,24mm(15/16"),25mm(1"),26mm,27mm(1-1/16")