Bit holder 1/4(F)x1/4(F) Adaptor 1/4(F)x3/8(M) Adaptor 3/8(F)x1/4(M) Adaptor 3/8(F)x1/2(M) Adaptor 1/2(F)x3/8(M) 1/4 Universal joint 3/8 Universal joint 1/2 Universal joint