Replacement trigger valve assembly for Paslode pneumatic tools. Works with 3000, 4000, and 5000 series tools and with the F-350 PowerMaster Plus tools. Models: Paslode 3250-F16 403700 Pneumatic Finish nailer, Paslode S200-S16 501230 Pneumatic Stapler - Standard Crown and Paslode S200 W16 501265 Pneumatic Stapler - Wide Crown