LONER Spade Soldering Tip W: .07 in. (1.8 mm) L: .74 in. (18.9 mm) This tip is compatible with a: - RS382 Retaining Sleeve on units 951, 951SX, 951SXe, 930, 935, 951DX-230, 952DX-230, CL1080, CL1180, CL280i, CL1580I. A LTC7 Collet and HC273 Threaded Retaining Collar on unit PSS2000. A LTC71 Collet and HC273 Threaded Retaining Collar on units CL1481, 971, 971e, 971DX-230, 2020