Description:Comprehensive Set: The package includes 33 pieces of 29 watch back press dies covering sizes from 1.8 cm/0.71 inch to 4.6 cm/1.81 inch and 4 flat dies in sizes 1.8cm/0.71inch, 2.3cm/0.91inch, 2.8cm/1.10inch, And 3.9cm/1.54inchQuality Material: This watch press dies are made of POM steel material, known for its high precision and durability. It's a reliable choice for both professional watchmakers and DIY enthusiastsVersatile Use: The watch back case fitting dies sizes can meet the needs of various watch models. Whether you're working on a small ladies' watch or a larger men's timepiece, this kit has got you coveredEssential Tools: This watch case press dies set is an indispensable tool for any horologist or anyone who needs to frequently change or repair watches. It makes pressing back covers onto watches much easier and more efficientPackage Contents: The package includes a total of 29 watch press dies and an additional 4 flat dies to cater to all your watch repairing needsSpecification:Material: POM SteelSize Chart:Watch Back Press Dies Covering Sizes From 1.8 cm/0.71 inch To 4.6 cm/1.81 inch4 Flat Dies 1.8cm/0.71inch, 2.3cm/0.91inch, 2.8cm/1.10inch, And 3.9cm/1.54inchPackage Includes:29 Watch Press Dies 4 Flat DiesNote:Please allow slightly errors 1-2cm differences due to manual measurement.