The Fluke networks TL175 twist guard test leads offer adjustable length test tips for use in different measurement environments. By simply twisting the test lead the user can change the exposed probe tip length from 19 mm to 4 mm ( 0.75 in to 0.16 in). The adjustable tip shroud meets electrical safety requirements to reduce tip exposure while providing the versatility needed for most measurements. Features Patented twist guard extendable tip shroud meets the highest electrical safety requirements to reduce tip exposure while providing the versatility needed for most measurements. wear guard lead wire wear indication, each test lead is covered by 2-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, TL175 test leads withstand high temperatures and remain flexible in cold temperatures. Extra-heavy-duty strain relief on both probe-end and plug-end, tested beyond 30000 bends without failure. Rated CAT II 1000-Volt, CAT III 1000-Volt, CAT IV 600-Volt, 10 Amp. Specifications Batteries Included: No. Color: Black/Red. Warranty: 1 year. Country of Origin: USA. Weight: 0.3 lbs.