Master Mechanic 20 piece mixed screwdriver set. Includes #0 x 2-1/2", #1 x 3", #1 x 6", #2 x 1-1/2", #2 x 4", #3 x 6", 3/16" x 6", 1/4" x 1-1/2", 1/4" x 4", 1/4" x 6", 5/16" x 6", 3/8' x 8", T15 x 4", T20 x 4" mini screwdrivers, #00 x 60mm, #0 x 60mm, #1 x 60mm, 1.5mm x 60mm, 2.0mm x 60mm, 2.5mm x 60mm screwdrivers.