STABO bombs have a threaded lug forged to the nose of the case. Stabo spikes screw on to this threaded lug. The same spike fits SC 50 and SD 70 and is of one-piece construction. The SC 250 and SC 500 Stabo spikes have an additional piece, a pressure plate, which fits between the bomb case and spike to increase the rigidity. The spikes are used in low altitude attacks to prevent ricochet. A 1-cm hole through the spike allows use of a bar to screw spike securely to bomb. Stachebomben, or "Stabo" for short, are used in low altitude attacks to ensure the bomb does not ricochet. The SC 250 and SC 500 are both two fuze pocket bombs and fuzing is usually a time fuze 17 or 57 and an antidisturbance fuze (50). The SC 50 Stabo and SD Stabo are normally fuzed with a (55). Discs fitting on the end of these spikes have been found. It is thought nose switches have been used to give instantaneous action.
A DINORT was an extension rod fitted to the nose of various German free-fall aerial bombs to detonate the bomb just above ground level, thereby maximising the blast effect. The Germans believed that the effect of the bombs used against troops had been reduced because the bombs had penetrated the ground before exploding. If the bombs could be made to explode a little above the ground, then the effect against ground troops would be more dramatic. The solution was to weld 60cm metal rods to the front of the bombs, with an 8cm metal disc on the end of the rod. This contraption became known as "Dinortstabe", (Dinort's rods after the originator of the idea, Oskar Dinort) and would cause the bombs to detonate some 30cm above the ground.
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