High quality 40Crv steel, drop forged,heat treatment，fully polishe, chrome plated with hole

Specs. In                             Qty/Ctn                        G. W/N.W                           Carton Size

6MM                                       600                               31/30                                34x24x19

7MM                                       500                               30/29                                28x27x23

8MM                                       400                               34/33                                31x30x17

9MM                                       300                               27/26                                31x26x18

10MM                                     300                               32/31                                31x30x19

11MM                                     280                               39/38                                33X28X20

12MM                                     180                               27/26                                35x22x19

13MM                                     160                               29/28                                36x19x22

14MM                                     140                               35/34                                33x21x24

15MM                                     100                               27/26                                 28x24x25

16MM                                      90                                27/26                                 29x25x24

17MM                                      80                                26/25                                 30x26x22

18MM                                      70                                28/27                                  32x28x20