Craftool stamps are an investment that will last for years to come! Our intricately detailed stamps speed your leatherwork and give it a top quality, professional look. You'll be amazed at the details cast into these stamps. Have fun using your imagination to create interesting designs. Our Barbed Wire Stamp Set includes #BW1, #BW2, #BW3 and #BW4. Stamps can be used to create an authentic looking barb wire border design. Specifications Connector Size: 0.38 x 0.13 in. (9.53 x 3.18 mm) 2-Barb Size: 0.5 x 0.44 in. (12.7 x 11.11 mm) 4-Barb Size: 0.5 x 0.44 in. (12.7 x 11.11 mm) Corner Size: 0.38 x 0.38 in. (9.53 x 9.53 mm)