I am looking for: I am asking for the production of metal elements. 1.Guide made of drawn bar - gray steel - we can deliver the material, zinc free, 500 pcs, 20 cm, threaded ends to the inside, fi 4 2. Propeller, material Tr 14x3 Trapezoidal screw C15, we can supply material. Quantity 250 pcs. 24 cm sections with endings finished. 3. Axle of assembly made of C45 drawn bar, gray steel - we can supply the material. Quantity 250 pcs. 20 cm with transverse threads fi 4 For those interested we will send CAD drawings.