ITEM NAME:148pcs Professional Watch Case Opener Link Pin Remover Screwdriver Repair Tool Product Description Description: 148pcs/set Professional for Watch Case Opener Link Pin Remover Screwdriver Repair Tools Kit Specification: Material: Oxford cloth Bag size: 200x100x45mm/7.87x3.94x1.77in Net weight: 582g Chart: Name                                          Function                                                                 Material Screwdriver                        disassemble the movement, remove the strap              tool steel Pin Punch                            used with watch hammer                                                 45K steel Watch Strap Spring Pins       spring bar tool accessories                                               45K steel Case Opener                            opener                                                              45K steel + PE plastic Case Opener Pins                case opener accessories                                                     steel Screwdriver Bits                  screwdriver accessories                                                 tool steel Spring Bar Tool                   change watch strap                                                 45K steel + carbon steel Watch Band Holder              used with pin punch and watch hammer                           PE plastic Pins                                    watch band link remover accessories                                 45K steel Tweezers                            clip small parts                                                            stainless steel Watch Back Pry Opener         open back cover                                                     PE plastic + 45K steel Watch Case Holder                fixed watch                                                           PE plastic + 45K steel Watch Band Link Remover     change watch strap length                                              45.Case Opener opener 45K steel + PE plastic. Screwdriver Bits screwdriver accessories tool steel.