Dictaphone Accessories -1000V Insulation Piercing Needle Test Probes with 4mm Banana Jack, Black Highlights Generic 1000V Insulation Piercing Needle Test Probes with 4mm Banana Jack, Black The The sharp stainless steel needle is extremely fine and hard, which makes it easy to prick the cable sheath and measure it without splitting it. Use it for auto maintenance, telecommunication testing, jobsite testing, and some other non-destructive cable testing. Rated voltage / current: 1000V /MAX.1A. Metal material: brass, stainless steel. Insulation material: PA. Specification: Size: approx. 100x15x15mm Connection: 4mm banaba plug Package includes: 1 needle probe Note: Color maybe slightly different due to different monitor. The above size is measured by hand, please allow slight difference. THANKS