have extended to its limit the touching ring 5 hasn 39 t yet established a contact that creates enough friction and then the holding frame won 39 t be able to maintain the storage barrel 2 stationary or if the elastic rods 4 have been compressed to its limit and the shaft 1 hasn 39 t yet been held tightly and securely by the chuck 3 the drill accessory 10 won 39 t be able to be used securely in order to have one holding frame 20 fit all drills the touching ring 5 needs to be able to contract to fit certain drills like smaller ones to extend to fit some drills like longer ones in fig3 a bushing ring 51 is inserted into the touching ring 5 to reduce its internal diameter making it suitable for smaller drill body 6 or short drill chuck 3 the bushing ring 51 is elastic in its diameter it can be squeezed into the touching ring 5 and be held there by letting some convex semi spheres 511 on the bushing ring 51 be inserted into a round groove 512 inside the touching ring 5 see fig4 and 5 the bushing ring 51 is releasable it can be released from the touching ring 5 by pushing it out the bushing ring 51 can have different internal diameters to make the touching ring 5 suitable for different drills in fig6 an extending ring 52 is attached to the touching.