Sks hirschmann 4mm sliding sleeve sls 10 b plugs 30a sks hirschmann 931 824 103 yellow sks hirschmann sls 10 b sliding sleeve banana plug insulated by a locking and spring mounted insulation sleeve the sleeve is only released by putting pressure on the lateral locking springs sks hirschmann 931 824 103 4mm sliding sleeve sls 10 b plug 30a yellow