Souber | JIG1 5 Minute Door Lock DBB Morticer + JIG/LS Long Shaft 170mm Deep Souber Long Shaft (Locks up to 170mm deep) JIG/LS included. The DBB “5 Minute” Morticer from Souber Tools, produces an accurate and clean lock recess every time whilst looking the part. The Souber JIG1 has so far proved extremely invaluable and efficient for any tradesman who regularly fits mortice locks. Main Points 1. Cuts out a mortice for the lock body and its face plate 2. Extremely fast and accurate 3. Every single part of the Souber Jig1 is replaceable 4. Comes in a handy plastic carry case with spaces for any extras 5. Is able to recess for door hinges 6. Can cut out for some strike plates and electric releases 7. Jig1 uses the improved new style screw .