NEW! Set of four T-handle Allen keys for quick screwing (3-4-5-6) 280 TV/SE4 For Allen screws - Silicon Chrome Vanadium steel - Chrome plated finish with burnished tips up to size 8 mm to ensure precise measurement and perfect fit with the screw- Weight 1 kg - These are the best allen wrenches on the planet. We have used these every day since 1995 and they work, and last forever.