Proxxon industrial 14 piece special socket set for long bolts and screws proxxon 23604 this special 14 piece workshop set from proxxon industrial includes a range of short tubular hex socket wrenches with a reversible ratchet 55mm extension and adaptor with frac12 in 12 5mm square and is particularly suitable for working on tie rods steering rods shock absorbers and fan belt pulleys proxxon industrial 23604 special set for long bolts screws 1 4 14 piece