The 5953A is an adjustable tip Test Probe Kit with slim retractable probe is fully insulated to within 1/8-inch of tip. Needle point tip adjusts to desired length from 0 to 3-inch. Stainless steel needle sharp point easily pierces varnish and thin insulation. Tip can be re-pointed if necessary. Multi-stacking banana plug moulded directly to the wire. 4-foot test lead wire is silicone insulated for high temperature resistance.