The Metcal Smartheat rework cartridge is another quality product from Metcal. Offers a tunnel tip. Tip has a width of 0.45 x 1.02 in. This rework cartridge is designed to work with MX-500 - Soldering System, MX-5000 - Soldering System, MX-5200 - Desoldering System, MX-H1-AV - Soldering Handpiece, MX-RM3E - Soldering Handpiece. Additional, and potentially important, information was collected about this product: Tip Sub-Series: 700 This listing is for each Brand : Metcal Trade Name : Smartheat Tip Series : SMTC-140 Tip Shape : Tunnel Tip Width : 0.45 x 1.02 in For Use With : MX-500 - Soldering System MX-5000 - Soldering System MX-5200 - Desoldering System MX-H1-AV - Soldering Handpiece MX-RM3E - Soldering Handpiece Additional Information : Tip Sub-Series: 700