Factory-Reconditioned BOSTITCH U/BT1855K 18-Gauge Brad Nailer Oil-free engine: requires no daily maintenance and eliminates risk of oil stains on work surfaces Selectable trigger system: easy conversion between sequential or contact modes. Trigger lockout mode for use when working in occupied spaces Dial-A-Depth control: quickly and conveniently set fasteners to desired depths Reversible belt hook: with integrated pencil sharpener for ultimate convenience