• Single head underpinner with a hardened steel distributor head and hammer
• Powerful, reliable, robust, and versatile
• Patented clamp system to ensure true stacking and tightest joints
• Inserts PNU Nails into any position and stacks as many times as required
• Manually positioned distributor head
• Unique PNU Nail head locking/stacking facility incorporated in the handle
• Quick and easy to change fastener size with patented steel, reusable Top Loading nail chutes
• Separate adjustable clamping pressure
• Additional guide templates available
• Supplied with air regulator/filter
• Bench mounted with optional fully adjustable stand available
• Surround boards available
• Simple flip up machine guard for setting clamp
• Adjustable guide fences for square, hexagonal, & octagonal frames

*picture shown with optional table surrounds and stand