if you have not received the goods for a long time, please contact . and if you have any other questions, please contact with without any hesitation too. specification: small,convenient,easy to e you can open your own watch with the watch back opener. ing the anti-magnetic tweezers, you are now able to change the battery yourselves. with watchband link pin remover and pin pher you can change watchbands and make them tighter or looser. this clearly designed 30-piece watch repair tool set includes basic equipment for the clock or watch repair. all tools are placed in a practical nylon bag in order to protect themdirt and damage. the set is also very eful for hobbyists and tinkerers. 30 pieces: 1x plastic watch back opener 1x plastic link pin remover 1x plastic strap holder block 1x stainless steel tweezer: 5 1/4" 1x metal watch case opener 1x link remover 3x precision screwdrivers 3x pin punch 18x bits/pins package included: 1x 30pcs watch repair tool kit with nylon bag