▪ Compatibility - The RJ45 crimp tool is compatible with standard & pass-through Cat 5, Cat5e, Cat6, Cat6a connectors. This versatile tool allows you to cut, strip and crimp ethernet cables. 【3-in-1 RJ45 Crimp Tool Set】- Designed for pass through RJ45 8 position connectors, 3-in-1 design allow cutting, stripping and crimping.