Feature●[Package] Cordless siding nailer attachment kit for vinyl siding, numbered 45RN-VSA. kit*1 and spring*1 in package.●[Function] Work with nailer to drive nails and fix wall panels, perfectly fits. Compatible with DW45RN, DW45RN-CA.●[Material] Both made of high quality metal, durable and long service time, not easy to break or rust.●[Dimension] Weighs 78.8 grams and length of 2.75 inches, making it convenient to carry and assemble.●[Installation] Easy to install because of the raised top, fits nicely in the slot, work efficiently after installation.Description