WEP 907P is designed as the ONE & ONLY replacement handpiece compatible with the genuine WEP Branded Model 939-II/ 939-III/ 939D-II/ 939D-V/ 939D-VI/939D-VII Pyrography Station. NOT for other branded stations but for WEP 939-II/ 939-III/ 939D-II/ 939D-V/ 939D-VI/939D-VII Pyrography Station specifically. If you are unsure about compatibility with your current WEP station, you can reach our technical support via the Buyer-Seller Messaging System and we will help confirm for you. Each hot Pyrography Pen has gone through four rounds of quality-control examinations before packaging. This is to ensure the handpiece operates as intended when connected to a WEP 939-II/ 939-III/ 939D-II/ 939D-V/ 939D-VI Pyrography Station. Connecting the WEP 907P to an INCOMPATIBLE station unit will cause installation and operation failure. Before purchasing, please share a photo of your station unit and Pyrography Pen with us, and we’ll help confirm if the station unit is a WEP 939-II/ 939-III/ 939D-II/ 939D-V/ 939D-VI/939D-VII. When purchasing without owning the WEP 939-II/ 939-III/ 939D-II/ 939D-V/ 939D-VI/939D-VII Pyrography Station, we reserve the right to refuse returns & exchanges. The 907P is covered by our exclusive 1-year USA technical support, with 24-hour assistance from our dedicated team. Note: This product is rated for 110-127V USA specifications. Do not connect this iron to a 220V power socket. WEP 907P Wire-Nib Type Replacement Wood Burning Pyrography Pen Compatible with WEP 939 II, 939 III, 939D-II, 939D-V and 939D-VI Wood Burning Pyrography Station