Material and Build - ABS body with aluminum alloy components for durability and light weight Solder and Desolder Tools - Solder sucker: compact and portable for easy carrying and storage; strong suction enables fast desoldering - Soldering sucker pen: aluminum alloy construction; durable and practical desoldering tool - Solder removing tool: aluminum alloy frame with high pressure vacuum to remove solder from a printed circuit board - Desoldering pump: large-capacity spring allows quick solder removal with one action; easy to use and efficient Use scenarios - Repair and rework on a printed circuit board to remove soldered components such as resistors, capacitors, or ICs - Electronics maintenance and component replacement in consumer devices, radios, remotes, and power supplies - DIY electronics prototyping and cleanup to clear excess solder and prepare pads for new components This set provides durable, reliable desoldering performance with a focus on portability, efficiency, and ease of use.