TFL Toothed Hard Shaft 2mm/317mm/4mm/5mm Multi Specification Model Electric Boat Transmission Shaft Boat model parts * The price is for only 1pcs. Hard shaft 511B13A: = 2 * 100mm Teeth length 15mm Weight 2.4g Hard shaft 511B13B: = 2 * 200mm Tooth length 15mm Weight 4.9g Hard shaft 511B13C: = 2 * 300mm Teeth length 15mm Weight 7.4g Hard shaft 511B13E: = 3.17 * 100mm Teeth length 15mm Weight 5.9g Hard shaft 511B13F: = 3.17 * 200mm Tooth length 15mm Weight 11.9g Hard Shaft 511B13G: = 3.17 * 300mm Tooth length 15mm Weight 18.3g Hard shaft 511B13I: = 4 * 100mm Teeth length 15mm Weight 9.3g Please note: 511B13I, I is "i", NOT "L", it's 100mm length ) Hard shaft 511B13J: = 4 * 200mm Teeth length 15mm Weight 19.3g Hard Shaft 511B13K: = 4 * 300mm Teeth length 15mm Weight 29.1g Hard shaft 511B13L: = 4 * 400mm Teeth length 15mm Weight 38.8g Hard shaft 511B13M: = 5 * 100mm Teeth length 15mm Weight 15.9g Hard shaft 511B13N: = 5 * 200mm Tooth length 15mm Weight 30.2g Hard shaft 511B13O: = 5 * 300mm Teeth length 15mm Weight 46g Hard shaft 511B13P: = 5 * 400mm Teeth length 15mm Weight 61.2g _x000D_