10mm,12mm,15mm,16mm,18mm,20mm,22mm,25mm,26mm,28mm,

 30mm,35mm,40mm,45mm,50mm or         

 3/8"，1/2",9/16",5/8",11/16",3/4",7/8",1",1-1/16",1-1/8",1-3/16",1-3/8",

 1-9/16",1-3/4",1-15"