Product Description Product Description Product details of Stanley Heavy Duty Hand Riveter STHT69-646 Authentic Stanley 3 Nozzle Heavy Duty Hand Riveter Long handle makes riveter easy to squeeze New bumper design absorbsthe cutting force of each hit Slim-nose design fits in difficult-to-reach places Spring-loaded handle ejects rivet stem automatically Uses 3/32", 1/8", 5/32" and 3/16" diameter steel and aluminum rivets