8Pcs Impact Socket Reducer Adapter Set Convertor Adaptors 1/4" 3/8" 1/2" 3/4" 1". 【What's Included?. 】 Reducer sizes include: 1"F to 3/4"M, 3/4"F to 1/2"M, 1/2"F to 3/8"M, and 3/8"F to 1/4"M. Adapter sizes include: 1/4"F to 3/8"M, 3/8"F to 1/2"M, 1/2"F to 3/4"M, and 3/4"F to 1"M.
