Facom jldbox 8540in detection box socket sets facom jldbox1pb this 18 piece detection box metric socket set from facom has a range of 8540in sockets as well as a pear head ratchet with ergonomic comfort grip handle suitable for 6 point sockets the detection box has holes in the outside which means you can check instantly if the bit required is available even when the case is closed facom jldbox1 38 square drive metric 6pt socket set detection box