TL175 TwistGuard™ Test LeadsTwistGuard extendable tip shroud meets the highest electrical safety requirements to reduce tip exposure while providing the versatility needed for most measurements Each test lead is covered by two layers of silicone insulation; inner contrasting color is exposed when the leads are nicked, scuffed, or otherwise damaged and in need of replacement Double insulated silicone leads withstand high temperatures and remain flexible in cold temperatures Extra