Description: These are excellent for use with big game mono leader material and can also be fitted to wire leader and other various lines. Burr-free non-abrasive finish combined with high strength and corrosion resistance makes sleeves the preferred choice of professional leader, lure, and tackle manufacturers.These are great for your rigging needs. Always better to go a little bigger on crimp than line size. Don't miss it! Features: Fishing tube is made of high grade copper material which is durable, sturdy, anti-corrosive. Fishing sleeve has 6 different sizes for you to choose. Fishing connector is nice for mono, wire leader, making trolling and bottom fishing rigs. Crimping sleeves are easy to crimp, compresses consistently without cracking. Fishing line connector is great accessory for you Specification: Material: Copper Color: Silver Length: approx. 10mm / 0.39" Inside Diameter Options: approx. #1(1.0mm / 0.039"), #2(1.2mm / 0.047"), #3(1.4mm / 0.055"), #4(1.6mm / 0.063"), #5(1.8mm / 0.071"), #6(2.0mm / 0.079") Package Weight: approx. 16-31g Quantity: 100pcs Package Includes: 100 x Fishing Sleeves (Not including swivels and clips)