Sunex Tools offers their new 48-pc 1/4" Drive, Impact Socket Master Set, No. 1848, which includes metric and fractional impact sockets in standard and deep lengths. With fractional impact sockets ranging from 3/16" to 9/16" and metric impact sockets from 4mm to 15mm in standard and deep lengths, The 1848 from Sunex Tools helps technicians complete jobs for many under dash and underhood repairs.