All of these tools are made by Toolux, Professional Tools. They are made of Chrome Vanadium Steel and have Ergonomically designed handles. The 4 piece plier set includes: 10" water pump pliers, 7" locking pliers, 6" diagonal pliers, & 6" slip joint pliers. The 7 piece screwdriver set includes 4 diffent size slotted and 3 different size phillips screwdrivers. The 43 piece stubby tool set icludes: 10 piece bits, including slotted, phillips, & poxi, 27 piece socket various sizes, 2 piece adapter, 1 piece ratchet driver, 1 piece extension bar, 1 piece additional wrench, 1 piece 1/4" & 3/8" stubby 2 way ratchet handle.