Product Description 1) Type:Double Sleeves 2) Material: 100% Brass 3) Color: Black Nickle 4) Specification: Size (Inside Dia. x Length) Outside Dia. Wall thickness Used for 0.8x10mm 1.3mm 0.25mm 0~0.6mm 1.2x10mm 1.7mm 0.25mm 0~1mm 5) Crimps Are Appxo: 10mm Long 6) High Strength 7) Great for Mono and Wire Leader When You Like Fishing 8) Quantity: 50/100/200/500pcs/lot for each size Please choose the size and quantity as you need, thank you. 9) Packaging: Reusable plastic bag 0