Proxxon industrial 13 piece special socket set for long bolts and screws proxxon 23602 this 13 piece set from proxxon industrial includes a reversible ratchet with rubber grip 55mm extension and frac14 in adaptor along with 10 short tubular hexagonal sockets suitable for dealing with long threaded bolts and screws proxxon industrial 23602 special set for long bolts screws 1 4 13 piece