BLH1637 Ball Link Set (20): B450, B400 by BLADE $9.58 Inventory : 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Compatible Products Blade Ball Link Set (20): B450, B400, 330X BLH1637 is compatible with¶ôǨBLH1600,¶ôǨBLH1900,¶ôǨBLH4000,¶ôǨBLH4050,¶ôǨBLH4380,¶ôǨBLH4380A,¶ôǨEFLH1400