There are 8 sizes of HENGTONG aluminum crimping loop sleeves : M1.2(3/64″), M1.5(1/16″), M2.0(5/64″), M2.5(3/32″), M3.0(1/8″), M4.0(5/32″), M5.0(3/16″), M6.0(1/4″). Crimping loop sleeves are easy to use and inspect，you can lock both ends of the guide wire with pliers, vises or crimping tools.