Septls38701597048 - Spotcheck KitsSPOTCHECK visible penetrant kits quickly locate surface cracks. Easy to transport for field inspections. No UV light required because of vivid red indications.Features of Septls38701597048 - Spotcheck Kits Includes - (1) Cans of SKD-S2 Developer, (1) Cans of SKL-SP1 Penetrant, (2) Cans of SKC-S Cleaner/Remover, Ins..