Replacement Piston Blade Driver and Bumper Ring for Hitachin NR83 NR83A Nailer Nail Gun

Replacement Driver Blade & Green Bumper Kit for Hitachi NR83A / A2

Piston Driver: Aluminum is crimped into the unilok grooves of the shaft to prevent unscrewing. Hardened steel lock tight and micro-mechanically locked piston driver interface. Guaranteed never to unscrew.

Precision machined, virgin high density (Standard Green Color) - PU material plastic framer bumper.