Flukes TL175 TwistGuard Test Leads are the only double insulated silicone test leads with adjustable length test tips for use in different applications. The TL175 can withstand high temperatures and remain flexible in cold temperatures from -4 to 131°F. Patented TwistGuard feature meets the highest electrical safety requirements to reduce tip exposure. It is extreme strain relief tested to withstand over 30,000 bends. The universal plugs are compatible with all 4mm shrouded inputs.