GJ670BL RJ45 Crimp Tool. PASS-THROUGH DESIGN - VCE GJ670BL Pass Through RJ45 Crimping Tool is designed for pass through RJ45 connector that cuts excess wires while crimping. Using pass-thru RJ45 plug, you can easily review and check wire sequence before crimping, thus avoiding mis-wiring and succussing even if on your first try.
eBay