Screwdriver handle for glasses. -Length: 150mm. -1/4" square for sockets with socket fixing ball. -Ergonomic handle made of plastic. -The handle incorporates a 1/4" female socket to be used as a ratchet extension. -Screwdriver rod made of Chrome Vanadium Steel, providing greater resistance and durability. -Article known as ratchet extension, extension, socket screwdriver, socket handle, ratchet extension.