Bostitch Anti-Vibe� Hammer Tacker Manual hammer tacker ideal for roofing, house wrap and insulation Uses 3/8-in, 5/16-in and 1/2-in heavy-duty staples Multi-layer grip reduces shock and vibration Anti-jam loading mechanism provides ease of use No-slip rubber bumpers are ideal for working on an inclined surface Bostitch Anti-Vibe Hammer Tacker