Feature with single hole. Sleeves, when properly applied, are capable of holding the rated breaking strength of the cable to which they are applied. However, to determine the exact holding strength, we recommend pull testing prior to use. 200pcs Aluminium Sleeve: 100Pcs 1mm Diameter & 100Pcs 3mm Diameter: The total size of about: 15x11x7mm & 5 x 4 x 3mm This step ensures the proper selection of materials,the correct pressing procedure and an adequate margin of safety for the intended use., Weight: 0.31195410073 Pounds, Manufacturer: Wesafrae