- Chrome Vanadium- Drop Forged- ImpactContents:1 Pc 3/8" Dr. Universal Joint2 Pcs Reducers: 3/8"(F) to 1/4"(M) & 1/2"(F) to 3/8"(M)2 Pcs Adapters: 1/4"(F) to 3/8"(M) & 3/8"(F) to 1/2"(M)Weight: 0.35 L