1、[25 PAIRS COONECTORS] Including 25pcs female butt connectors and 25pcs butt connectors, used for fast crimping of electrical wires. 2、[COPPER MATERIAL] Made of high strength copper, with plated surface, has good corrosion resistance and durability. 3、[QUICK SPLICING] These butt connectors are small and compact, can be spliced quickly, and are suitable for narrow areas. 4、[APPLICABLE WIRE] Sufficient in quantity, suitable for 1.5‑2.5mm² (AWG 16‑14) electrical cables, with strong practicability. 5、[WIDE APPLICATIONS] Widely used in electrical equipment, industrial automation, street lighting, transportation power control systems, etc. Item Type: Insulated Butt Connector Model: FRD2-156 MPD2-156 Material: Copper + PVC Color: Blue Applicable Wire: 1.5-2.5mm² (AWG 16-14) Maximum Current: 15A Applicable Crimping Tool: HX-30J Quantity: FRD2-156 female 25pcs, MPD2-156 male 25pcs MPD2-156: W: 4.0mm / 0.16in F: 9.0mm / 0.35in L: 21.0mm / 0.83in H: 10.0mm / 0.39in d1: 2.4mm / 0.09in D: 4.3mm / 0.17in T: 0.4mm / 0.02in FRD2-156: Material Thickness: 0.4mm / 0.02in b: 5.5mm / 0.22in B: 6.5mm / 0.26in D: 5.5mm / 0.22in d: 4.0mm / 0.16in F: 14.0mm / 0.55in L: 23.3mm / 0.92in 25 x FRD2-156 Female Connector 25 x MPD2-156 Male Connector