DX420LC DX420LC ARM PIPING - QUICK FIT(ARM 3.25m) For full view, you need register Parts on group DX420LC: Pos. Part No Qty Parts name Comments -. K1004007 [-] ARM PIPING(QUICK CLAMP) 1. K1004009 [1] PIPE 2. K1004010 [1] PIPE 3. DS2055855 [2] HOSE 4. 2181-2820D1 [2] PLUG 5. S0508866 [6] BOLT 6. S5102503 [6] . WASHER 7. K1004011 [6] CLAMP