1.Stable in Use: Made of 40# chrome vanadium steel with special heat treatment. Ideal punch tool for jewelers, watchmakers, and carpenters. Used for machinery, vehicles, woodworking and craft repair. After many experiments, we found that the pin is the most easily damaged part of a whole set of our punch set, so we have made numerous modifications to provide you with excellent quality pin punches, so that you can avoid the abandonment of the whole set of punches due to the breakage of one pin. | 2.All-IN-1 Set: Includes everything you need to get started and suitable for everyone, whether you're a novice or a veteran. This punch set includes 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 9/32" and 5/16". 2Pcs 3/8",15/64" plastic pin punches; 1 metal tweezers and 1 hammer with 4 detachable hammer heads; 4Pcs hollow end starter punch set including 1/16”,5/64”,3/32”,1/8”; 2 Pcs flat pin punches including 1/16" and 3/32"; 2 Pcs roll pin punches including 1/16" and 3/32"; 8Pcs carbon steel punches. | 3. Bench Block: Special and stable surface finish to protect your precious from scratches while drifting and staking. Our bench block has a main spring removal groove; front sight staking groove; rear sight drift channel; the link pin removal "V" channel; hammer and sear pin removal holes; slide rail dressing round bottom channel; ejection port dressing channel; pin storage and pin catcher. Great help for maintenance! | 4. Detachable Hammer: In use with a chrome-plated steel hammer. In addition, we added 4 replaceable hammer heads (1 brass, 1 chrome, 1 nylon in white and 1 rubber in black), so you can choose the right one for your needs. The hammer has a non-slip design, which can cooperate with you in the process of use can be better grip. | 5.3D Test: We have assembled a dedicated team and professional staff to test the quality, durability, and performance of our products. Each punch and bench block has been professionally designed for industry and 3D simulation to test the performance. After many experiments we make sure the punch set you get can perform as it should. All punch tools are neatly stored in boxes that are clean and tidy for easy storage and portability. We pack our products as well as possible. This is our promise!