This set of test probes features sharp point tips to pierce insulation. REED R1110 Offers Features Sharp points for piercing insulation Stainless steel tips Probe tip length: 0.6" (16mm) Probe length: 3.9" (100mm) Cat. II 1000V, Cat. III 1000V and Cat. IV 600V safety ratings Compatible with test leads that accept 0.16" (4mm) diameter shrouded banana connectors 10A Maximum Includes protective tip caps Included Sharp Point Test Probes Protective Tip Caps